Maricopa County, Arizona

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Maricopa County
Maricopa County Courthouse October 6 2013 Phoenix Arizona 2816x2112 Rear.JPG
The Maricopa County Courthouse and Old Phoenix City Hall, also known as the County-City Administration Building, in 2013
Flag of Maricopa County, Arizona.svg
Seal of Maricopa County, Arizona.svg
Map of Arizona highlighting Maricopa County.svg
Location within the U.S. state of Arizona
Arizona in United States.svg
Arizona's location within the U.S.
Coordinates: 33°30′50″N112°28′33″W / 33.5139°N 112.4758°W / 33.5139; -112.4758
CountryFlag of the United States.svg United States
StateFlag of Arizona.svg  Arizona
FoundedFebruary 14, 1871
Named for Maricopa people
Seat Phoenix
Largest cityPhoenix
  Total9,224 sq mi (23,890 km2)
  Land9,200 sq mi (24,000 km2)
  Water24 sq mi (60 km2)  0.3%
4,496,588 Increase2.svg
  Density480/sq mi (190/km2)
Time zone UTC−7 (Mountain)
Congressional districts 1st, 2nd, 3rd, 4th, 5th, 7th, 8th, 9th

Maricopa County is in the south-central part of the U.S. state of Arizona. As of the 2020 census the population was 4,420,568, [1] or about 62% of the state's total, making it the fourth-most populous county in the United States and the most populous county in Arizona, and making Arizona one of the nation's most centralized states. The county seat is Phoenix, [2] the state capital and fifth-most populous city in the United States.


Maricopa County is the central county of the Phoenix–Mesa–Chandler Metropolitan Statistical Area. The Office of Management and Budget renamed the metropolitan area in September 2018. Previously, it was the Phoenix–Mesa–Glendale metropolitan area, and in 2000, that was changed to Phoenix–Mesa–Scottsdale.

Maricopa County was named after the Maricopa Native Americans. [3] Five Native American Reservations are located in the county. [4] The largest are the Salt River Pima-Maricopa Indian Community (east of Scottsdale) and the Gila River Indian Community (south of Chandler).


According to the United States Census Bureau, the county has a total area of 9,224 sq mi (23,890 km2), of which 24 sq mi (62 km2) (0.3%) is covered by water. [5] Maricopa County is one of the largest counties in the United States by area, with a land area greater than that of four other US states. From west to east, it stretches 132 miles (212 km), and 103 miles (166 km) from north to south. [6] It is by far Arizona's most populous county, encompassing well over half of the state's residents. It is the largest county in the United States to have a capital city.

Adjacent counties

National protected areas

Regional parks

Maricopa County has 14 regional parks:

It also has at least 21 protected areas:

Flora and fauna

From 2009 to 2011, an inventory of all vascular plants growing along the Salt River (Arizona), Gila River, New River and Agua Fria River and their tributaries in the Phoenix metropolitan area was done. [7] In October 2022, Maricopa County Environmental Services Department detected Dengue virus in mosquitoes they had trapped; in November the first locally transmitted case of dengue fever was reported in the County and Arizona state as a whole - previous dengue cases in Maricopa County had been related to travel. [8]


Median Household Income in 2015 across metro Phoenix; the darker the green, the higher the income Median Household Income Maricopa County.png
Median Household Income in 2015 across metro Phoenix; the darker the green, the higher the income
Percent of people living in poverty across metro Phoenix in 2016; the darker the red, the higher the concentration of poverty Poverty in Maricopa County.png
Percent of people living in poverty across metro Phoenix in 2016; the darker the red, the higher the concentration of poverty
Historical population
1880 5,689
1890 10,98693.1%
1900 20,45786.2%
1910 34,48868.6%
1920 89,576159.7%
1930 150,97068.5%
1940 186,19323.3%
1950 331,77078.2%
1960 663,510100.0%
1970 971,22846.4%
1980 1,509,17555.4%
1990 2,122,10140.6%
2000 3,072,14944.8%
2010 3,817,11724.2%
2020 4,420,56815.8%
2022 (est.)4,551,524 [11] 3.0%
U.S. Decennial Census [12]
1790–1960 [13] 1900–1990 [14]
1990–2000 [15] 2010–2020 [1]

Racial and ethnic composition since 1960

Racial composition2020 [16] 2010 [16] [17] 2000 [17] 1990 [17] 1980 [17] 1970 [17] 1960 [17]
White 59.8%73.0%77.3%84.7%86.6%94.8%94.5%
Black or African American 5.9%5.0%3.7%3.4%3.1%3.3%3.7%
Hispanic or Latino (of any race)30.6%29.6%24.8%16.2%13.1%14.5%-
Asian 4.6%3.5%2.1%1.7%--0.3%
Native American 2.3%2.1%1.8%1.7%--1.2%
Pacific Islander 0.2%0.2%0.1%----
Mixed Race 13.6%2.4%2.9%----

2000 census

As of the census of 2000, 3,072,149 people, 1,132,886 households, and 763,565 families were living in the county. The population density was 334 people/sq mi (129 people/km2). The 1,250,231 housing units averaged of 136 per square mile (53/km2). The racial makeup of the county was 77.4% White, 3.7% African American, 1.9% Native American, 2.2% Asian, 12.0% from other races, and 2.9% from two or more races. About 29.5% of the population were Hispanics or Latinos of any race. About 19.1% reported speaking Spanish at home. [18]

Ethnic origins in Maricopa County Ethnic Origins in Maricopa County, AZ.png
Ethnic origins in Maricopa County

Of the 1,132,886 households, 33.0% had children under 18 living with them, 51.6% were married couples living together, 10.7% had a female householder with no husband present, and 32.6% were not families. About 24.5% of all households were made up of individuals, and 7.9% had someone living alone who was 65 or older. The average household size was 2.67, and the average family size was 3.21.

The age distribution in the county was 27.0% under 18, 10.2% from 18 to 24, 31.4% from 25 to 44, 19.8% from 45 to 64, and 11.7% who were 65 or older. The median age was 33 years. For every 100 females, there were 100.10 males. For every 100 females age 18 and over, there were 98.10 males.

The median income for a household in the county was $45,358, and for a family was $51,827. Males had a median income of $36,858 versus $28,703 for females. The per capita income for the county was $22,251. About 8.0% of families and 11.7% of the population were below the poverty line, including 15.4% of those under age 18 and 7.4% of those age 65 or over.

2010 census

As of the 2010 census, 3,817,117 people, 1,411,583 households, and 932,814 families were living in the county. [19] The population density was 414.9/sq mi (160.2/km2). The 1,639,279 housing units averaged 178.2/sq mi (68.8/km2). [20] The racial makeup of the county was 73.0% white (58.7% non-Hispanic white), 5.0% African American, 3.5% Asian, 2.1% American Indian, 0.2% Pacific islander, 12.8% from other races, and 3.5% from two or more races. Those of Hispanic or Latino origin made up 29.6% of the population. [19] The largest ancestry groups were: [21]

Of the 1,411,583 households, 35.1% had children under 18 living with them, 47.8% were married couples living together, 12.4% had a female householder with no husband present, 33.9% were not families, and 25.9% of all households were made up of individuals. The average household size was 2.67 and the average family size was 3.25. The median age was 34.6 years. [19]

The median income for a household in the county was $55,054 and the median income for a family was $65,438. Males had a median income of $45,799 versus $37,601 for females. The per capita income for the county was $27,816. About 10.0% of families and 13.9% of the population were below the poverty line, including 19.8% of those under age 18 and 7.0% of those age 65 or over. [22]

According to data provided by the United States Census Bureau in October 2015 and collected from 2009 to 2013, 73.7% of the population aged five years and over spoke only English at home, while 20.3% spoke Spanish, 0.6% spoke Chinese, 0.5% Vietnamese, 0.4% Tagalog, 0.4% Arabic, 0.4% German, 0.3% French, 0.3% Navajo, 0.2% Korean, 0.2% Hindi, 0.2% Italian, 0.1% Persian, 0.1% Russian, 0.1% Serbo-Croatian, 0.1% Telugu, 0.1% Polish, 0.1% Syriac, 0.1% Japanese, 0.1% spoke Romanian, and 0.1% spoke other Native North American languages at home. [23]


In 2010 statistics, the largest religious group in Maricopa County were Roman Catholics, who are organized under the Catholic Diocese of Phoenix. There are 519,950 Catholics and 99 parishes. This is followed by 242,732 LDS Mormons with 503 congregations, 213,640 non-denominational adherents with 309 congregations, 93,252 Assembly of God Pentecostals with 120 congregations, 73,207 Southern Baptists with 149 congregations, 35,804 Christian churches and churches of Christ Christians with 29 congregations, 30,014 Evangelical Lutherans with 47 congregations, 28,634 UMC Methodists with 55 congregations, 18,408 Missouri Synod Lutherans with 34 congregations, and 15,001 Presbyterians with 42 congregations. Altogether, 39.1% of the population was claimed as members by religious congregations, although members of historically African-American denominations were underrepresented due to incomplete information. [24] In 2014, the county had 1,177 religious organizations, the fifth most out of all US counties. [25]

Government, policing, and politics


The governing body of Maricopa County is its board of supervisors. The Maricopa County Board of Supervisors consists of five members chosen by popular vote within their own districts. As of 2023 the board consists of four Republicans and one Democrat. Each member serves a four-year term, with no term limits.

Maricopa County sheriff

The Maricopa County Sheriff's Office provides court protection, administers the county jail, and patrols the unincorporated areas of the county plus incorporated towns by contract.


For much of the time after World War II, Maricopa County was one of the more conservative urban counties in the United States. While the city of Phoenix has been evenly split between the two major parties, most of the rest of the county was strongly Republican. Until 2020, every Republican presidential candidate since 1952 had carried Maricopa County. This includes the 1964 presidential run of native son Barry Goldwater, who would not have carried his own state had it not been for a 21,000-vote margin in Maricopa County. Until 2020, it was the largest county in the country to vote Republican. From 1968 to 2016, Democrats held the margin within single digits only three times–in 1992, 1996, and 2016. In 2020, Joe Biden became the first Democrat in 72 years to win the county, which flipped Arizona to the Democratic column for the first time since 1996 and only the second time since 1948. [26] Furthermore, Biden became the first presidential candidate to win more than one million votes in the county. This makes Maricopa County the third county in American history to cast more than one million votes for a presidential candidate. The county is also a statewide bellwether, voting for the statewide winning candidate in all elections except 1996.

Despite its consistent Republican allegiance since 1952, its fast-growing Hispanic population and influx of conservative retirees and Mormons, which were traditionally conservative voting blocs but were increasingly skeptical of President Donald Trump, signaled that it was a crucial bellwether in the 2020 election. [27]

Voter Registration as of April 2023 [28]
PartyNumber of votersPercentage
Republican 851,04734.40%
Democratic 734,58329.69%
Libertarian Party 20,7840.84%
United States presidential election results for Maricopa County, Arizona [29]
Year Republican Democratic Third party
2020 995,66547.96%1,040,77450.13%39,6471.91%
2016 747,36147.67%702,90744.83%117,5667.50%
2012 749,88554.30%602,28843.61%28,7862.08%
2008 746,44854.43%602,16643.91%22,7561.66%
2004 679,45556.86%504,84942.25%10,6570.89%
2000 479,96753.23%386,68342.88%35,0493.89%
1996 386,01547.22%363,99144.53%67,4268.25%
1992 360,04941.06%285,45732.56%231,32626.38%
1988 442,33764.90%230,95233.89%8,2291.21%
1984 411,90271.98%154,83327.06%5,5380.97%
1980 316,28764.97%119,75224.60%50,79510.43%
1976 258,26261.66%144,61334.53%15,9663.81%
1972 244,59369.29%95,13526.95%13,2723.76%
1968 162,26259.08%86,20431.39%26,1859.53%
1964 143,11453.94%122,04246.00%1700.06%
1960 127,09059.37%86,83440.57%1350.06%
1956 92,14062.96%54,01036.91%1910.13%
1952 77,24960.57%50,28539.43%00.00%
1948 36,58546.31%40,49851.27%1,9092.42%
1944 24,85343.41%32,19756.23%2080.36%
1940 22,61038.93%35,05560.36%4140.71%
1936 13,67128.71%32,03167.28%1,9084.01%
1932 15,08634.07%28,60164.59%5931.34%
1928 20,08962.25%12,14637.64%340.11%
1924 10,61144.66%9,17738.63%3,97016.71%
1920 11,33656.23%8,82543.77%00.00%
1916 5,74739.26%7,63452.14%1,2598.60%
1912 64211.32%2,60645.97%2,42142.71%

Despite its political leanings at the time, Maricopa County voted against Proposition 107 in the 2006 election. This referendum, designed to ban gay marriage and restrict domestic partner benefits, was rejected by a 51.6–48.4% margin within the county, and statewide by a similar margin. Two years later, however, a majority of county residents voted to pass a successful state constitutional amendment banning same-sex marriage. The amendment was later invalidated by the Supreme Court's 2015 ruling in Obergefell v. Hodges , which declared that same-sex marriage is a fundamental right in the United States.

Unlike cities and towns in Arizona, counties are politically and legally subordinate to the state and do not have charters of their own. The county Board of Supervisors acts under powers delegated by state law, mainly related to minor ordinances and revenue collection. With few exceptions, these powers are narrowly construed.The chairperson of the board presides for a one-year term, selected by the board members during a public hearing.

The county sheriff, county attorney, county assessor, county treasurer, superintendent of schools, county recorder, constables, justices of the peace, and clerk of the Superior Court are elected by the people. Retention of Superior Court judges is also determined by popular vote.

The county's dominant political figure for over two decades (from 1993 to 2017) was Sheriff Joe Arpaio, who called himself "America's Toughest Sheriff" and gained national notoriety for his flamboyant and often controversial practices and policies. [30]

Maricopa County is home to 62 percent of the state's population and therefore dominates Arizona's politics. For example, in the 2018 Senate election, Democrat Kyrsten Sinema carried the county en route to becoming the first Democrat to win a Senate seat in Arizona since 1988. [31] She won the county by over 60,000 votes, more than enough for the victory; she won statewide by 55,900 votes. [32] All but one of the state's nine congressional districts include part of the county, and five of the districts have their population center located there. Most of the state's prominent elected officials live in the county. Further underlining Maricopa County's political dominance, Biden's margin of 45,109 votes was more than enough to carry the state; he only won Arizona by 10,457 votes.

Elected officials

United States Congress

DistrictNamePartyFirst elected [lower-alpha 1] Area(s) represented
United States Senate
Class I Senator Kyrsten Sinema Independent2018At Large
Class III Senator Mark Kelly Democratic2020
United States House of Representatives
1 David Schweikert Republican2010Fountain Hills, Paradise Valley, Phoenix, Scottsdale
2 Eli Crane Republican2022Gila River Indian Community
3 Ruben Gallego Democratic2014Glendale, Phoenix
4 Greg Stanton Democratic2018Chandler, Mesa, Phoenix, Tempe
5 Andy Biggs Republican2016Chandler, Gilbert, Mesa, Queen Creek
7 Raul Grijalva Democratic2002Avondale, Gila Bend, Goodyear, Phoenix
8 Debbie Lesko Republican2018Glendale, Peoria, Phoenix, Surprise
9 Paul Gosar Republican2010Buckeye, El Mirage, Glendale, Goodyear, Surprise
  1. Due to redistricting in 2012, many of the Representatives listed were first elected to a different district.

The 1st, 3rd, 4th, 5th and 8th districts are all centered in Maricopa County. The 2nd and 9th are centered in rural Arizona, while the 7th is primarily Tucson-based.

Board of Supervisors

Elected county officials

PartyOfficeNameFirst electedReference
RepublicanAssessorEddie Cook2020† [33]
RepublicanClerk of the Superior CourtJeff Fine2018† [34]
RepublicanCounty Attorney Rachel Mitchell 2022† [35]
RepublicanCounty RecorderStephen Richer2020 [36]
RepublicanCounty School SuperintendentSteve Watson2016 [36]
DemocraticSheriff Paul Penzone 2016 [36]
RepublicanTreasurerJohn Allen2020 [36]

†Member was originally appointed to the office.


K-12 schools

School districts with territory in the county (no matter how slight, even if the administration and schools are in other counties) include: [37]




There is also a state-operated school, Phoenix Day School for the Deaf.

The Phoenix Indian School was formerly in the county.


Major highways


The major primary commercial airport of the county is Phoenix Sky Harbor International Airport (PHX).

Other airports located in the county include:


In terms of freight rail, the Union Pacific Railroad and the Burlington Northern Santa Fe Railroad serve the county.

In terms of passenger rail, greater Phoenix is served by a light rail system. The county has no other passenger rail transport as Amtrak's Sunset Limited, which served Phoenix until June 2, 1996, has its closest stop in Maricopa in neighboring Pinal County. The train connects Maricopa to Tucson, Los Angeles, and New Orleans three times a week. However, it does not stop in Phoenix itself.




Census-designated places

Unincorporated communities

Ghost towns

Native American communities

County population ranking

The population ranking of the following table is based on the 2020 census of Maricopa County. [38] [39]

county seat

RankCity/Town/etc.Population (2020 Census)Population (2021 Estimate)Municipal typeIncorporated
1 Phoenix1,608,1391,624,569City1881
2 Mesa 504,258509,475City1878 (founded)
3 Chandler 275,987279,458City1920
4 Gilbert 267,918273,136Town1920
5 Glendale 248,325249,630City1910
6 Scottsdale 241,361242,753City1951
7 Peoria (partially in Yavapai County )190,985194,917City1954
8 Tempe 180,587184,118City1894
9 Surprise 143,148149,191City1960
10 Goodyear 95,294101,733City1946
11 Buckeye 91,502101,315City1929
12 Avondale 89,33490,564City1946
13 Queen Creek (partially in Pinal County )59,51966,346Town1990
14 Sun City 39,931-- CDP
15 El Mirage 35,80536,016City1951
16 Sun City West 25,806--CDP
17 Fountain Hills 23,82023,819Town1989
18 Anthem 23,190--CDP
19 New River 17,290--CDP
20 Sun Lakes 14,868--CDP
21 Paradise Valley 12,65812,682Town1961
22 Wickenburg 7,4747,695Town1909
23 Tolleson 7,2167,295City1929
24 Youngtown 7,0567,012Town1960
25 Litchfield Park 6,8476,942City1987
26 Guadalupe 5,3225,307Town1975
27 Citrus Park 5,194--CDP
28 Cave Creek 4,8925,015Town1986
29 Carefree 3,6903,685Town1984
30 Rio Verde 2,210--CDP
31 Gila Bend 1,8921,887Town1962
32 Komatke 1,013--CDP
33 Maricopa Colony 854--CDP
34 St. Johns 690--CDP
35 Wittmann 684--CDP
36 Gila Crossing 636--CDP
37 Aguila 565--CDP
38 Morristown 186--CDP
39 Arlington 150--CDP
40 Theba 111--CDP
41 Kaka 83--CDP
42 Wintersburg 51--CDP
43 Tonopah 23--CDP


Maricopa County
Climate chart (explanation)
Average max. and min. temperatures in °C
Precipitation totals in mm
Source: [40]
Imperial conversion
Average max. and min. temperatures in °F
Precipitation totals in inches


In 2019, the largest employers in Maricopa County were: [41]

#Employer# of employees
1 Banner Health 27,650
2 State of Arizona 23,950
3 Walmart 16,870
4 Frys Food Stores 15,170
5 Wells Fargo 13,790
6Maricopa County13,350
7 City of Phoenix 12,190
8 Intel Corporation 11,410
9 Arizona State University 10,950
10 HonorHealth 9,430
11 JPMorgan Chase Bank National Association 9,310
12 Bank of America 9,180
13 Dignity Health 9,100
14 Amazon 9,050
15 Mesa Unified School District 4 8,500
16 Honeywell 8,450
17 United States Department of the Air Force 7,720
18 Home Depot 7,420
19 State Farm Insurance 7,420
20 United States Postal Service 7,260

According to the Bureau of Economic Analysis, in 2019 the employment of Maricopa County in the following sectors was: [42]

SectorNumber of jobsPercentNational percent
Health care and social assistance312,38511.2%11.3%
Retail trade271,8029.8%9.4%
Administrative and support and waste management and remediation services249,7869.0%6.2%
Finance and insurance226,9348.2%5.4%
Accommodation and food services204,9177.4%7.5%
Professional, scientific, and technical services200,5087.2%7.2%
Real estate and rental and leasing169,3636.1%4.8%
Local government152,9395.5%7.1%
Other services (except government)140,7885.1%5.8%
Transportation and warehousing134,1514.8%4.5%
Wholesale trade91,1143.3%3.2%
Arts, entertainment, and recreation64,1172.3%2.4%
Educational services63,4452.3%2.4%
State government49,0511.8%2.7%
Management of companies and enterprises35,9171.7%1.4%
Federal civilian21,3660.8%1.4%
Mining, quarrying, and oil and gas extraction5,3560.2%0.6%
Forestry, fishing, and related activities2,9940.1%0.5%

Maricopa produces far more Brassica than anywhere else in the state, including far more cabbage, [43] :288 collards, [43] :289 and mustard greens, [43] :292 and far more eggplant [43] :290 and greenhouse production of tomato. [43] :311 Slightly more kale is grown here than Yavapai, [43] :291 and a close second to Yuma for broccoli, [43] :288 cauliflower, [43] :289 and spinach, [43] :294 and to Yavapai for field tomato. [43] :295 The county is top for parsley and is tied with Pima for other fresh herbs. [43] :290 Some of the state's melon, okra, and bell pepper are also grown here. [43] :289

Almost all the apricot, [43] :298 freestone peach, [43] :300 persimmon, [43] :301 and nectarine [43] :299 in the state are grown here. The county also ties for the highest amount of cling peach with Cochise, [43] :300 along with Pima produces almost all the pomegranate, [43] :302 and grows most of the kumquat. [43] :302 Maricopa's farms grow a middling amount of fig, [43] :299 grape ( Vitis spp. including V. vinifera ), [43] :299 and pear (Pyrus spp.) other than Bartlett. [43] :300 A small amount of plum is also produced here. [43] :301

All of the boysenberry, [43] :307 half of the elderberry (along with Yavapai), [43] :307 and a small amount of the state's blackberry [43] :307 and strawberry [43] :308 are harvested here.

A large part of the vegetable seed in Arizona is grown here. [43] :310

See also

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<span class="mw-page-title-main">Black Canyon City, Arizona</span> CDP in Yavapai County, Arizona

Black Canyon City is an unincorporated community and census-designated place (CDP) in Yavapai County, Arizona, United States. The population is 2,677 as of the 2020 census.

<span class="mw-page-title-main">Phoenix metropolitan area</span> Metropolitan area in Arizona, United States

The Phoenix Metropolitan Area, also known as the Valley of the Sun, the Salt River Valley, Metro Phoenix, or The Valley, is the largest metropolitan statistical area in the Southwestern United States, with its largest principal city being the city of Phoenix. It includes much of central Arizona. The United States Office of Management and Budget designates the area as the Phoenix-Mesa-Chandler Metropolitan Statistical Area (MSA), defining it as Maricopa and Pinal counties. It anchors the Arizona Sun Corridor megaregion along with the second-most populous metropolitan area in the state, the Tucson metropolitan area. The gross domestic product of the Phoenix Metropolitan Area was $255 billion in 2018, 16th-largest amongst metro areas in the United States.

Arizona's 1st congressional district is a congressional district located in the U.S. state of Arizona, covering northeastern Maricopa County. Before 2023, geographically, it was the eleventh-largest congressional district in the country and included much of the state outside the Phoenix and Tucson metropolitan areas. From 2013 through 2022, it also included the Navajo Nation, the Hopi reservation, and the Gila River Indian Community, with 25% of the population being Native American. At that time, the district had more Native Americans than any other congressional district in the United States. In the 2022 elections, David Schweikert was elected in the redefined district. It was one of 18 districts that would have voted for Joe Biden in the 2020 presidential election had they existed in their current configuration while being won or held by a Republican in 2022.

Arizona's 2nd congressional district is a congressional district located in the U.S. state of Arizona. The district is in the north eastern part of the state and includes Apache, Coconino, Gila, Navajo, and Yavapai counties in their entirety and portions of Graham, Maricopa, Mohave, and Pinal counties. The largest city in the district is Flagstaff.

Wickenburg Unified School District #9 (WUSD) is a school district headquartered in Wickenburg, Arizona.

<span class="mw-page-title-main">Arizona Sun Corridor</span> Megaregion in Arizona, United States

The Arizona Sun Corridor, shortened Sun Corridor, is a megaregion, or megapolitan area, in the southern area of the U.S. state of Arizona. The Sun Corridor is comparable to Indiana in both size and population. It is one of the fastest growing conurbations in the country and is speculated to double its population by 2040. The largest metropolitan areas are the Phoenix metropolitan area – Valley of the Sun, and the Tucson metropolitan area – The Old Pueblo. The regions' populace is nestled in the valley of a desert environment. Similar to Southern California, the urban area extends into Mexico, reaching the communities of Heroica Nogales and Agua Prieta.

The following is a timeline of the history of the city of Phoenix, Arizona, United States.

<span class="mw-page-title-main">Timeline of Arizona</span> Timeline of the history of Arizona

The following is a timeline of the history of the area which today comprises the U.S. state of Arizona. Situated in the desert southwest, for millennia the area was home to a series of Pre-Columbian peoples. By 1 AD, the dominant groups in the area were the Hohokam, the Mogollon, and the Ancestral Puebloans. The Hohokam dominated the center of the area which is now Arizona, the Mogollon the southeast, and the Puebloans the north and northeast. As these cultures disappeared between 1000 and 1400 AD, other Indian groups settled in Arizona. These tribes included the Navajo, Apache, Southern Paiute, Hopi, Yavapai, Akimel O'odham, and the Tohono O'odham.


  1. 1 2 "State & County QuickFacts". United States Census Bureau. Retrieved September 27, 2022.
  2. "Find a County". National Association of Counties. Retrieved June 7, 2011.
  3. Gannett, Henry (1905). The Origin of Certain Place Names in the United States. U.S. Government Printing Office. p.  199.
  4. Indian Reservations in the Continental United States, Bureau of Indian Affairs on National Park Service website. Retrieved January 18, 2009.
  5. "2010 Census Gazetteer Files". United States Census Bureau. August 23, 2012. Retrieved August 23, 2015.
  6. "Quick Facts about Maricopa County". Maricopa County, Ariz. Retrieved June 21, 2018.
  7. Darin Jenke (April 2011). "The Phoenix Four Rivers Flora, Maricopa County, Arizona" (PDF). Retrieved November 20, 2022.
  8. "Public Health Conducting Dengue Surveillance in One Neighborhood". Maricopa County, AZ. November 14, 2022. Retrieved November 20, 2022.
  9. "Income in the Past 12 Months (in 2016 Inflation-adjusted Dollars)". American Fact Finder. US Census Bureau. Archived from the original on February 14, 2020. Retrieved March 21, 2018.
  10. "Poverty Status in the Past 12 Months". American Fact Finder. United States Census Bureau. Archived from the original on February 14, 2020. Retrieved March 21, 2018.
  11. "Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2021" . Retrieved September 27, 2022.
  12. "U.S. Decennial Census". United States Census Bureau. Retrieved May 18, 2014.
  13. "Historical Census Browser". University of Virginia Library. Retrieved May 18, 2014.
  14. "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved May 18, 2014.
  15. "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Archived (PDF) from the original on October 9, 2022. Retrieved May 18, 2014.
  16. 1 2 Bureau, US Census. "Race and Ethnicity in the United States: 2010 Census and 2020 Census". Retrieved August 30, 2021.
  17. 1 2 3 4 5 6 "Account Management - Social Explorer".
  18. "Language Map Data Center".
  19. 1 2 3 "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved January 20, 2016.
  20. "Population, Housing Units, Area, and Density: 2010 – County". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved January 20, 2016.
  21. "DP02 Selected Social Characteristics in the United States – 2006–2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved January 20, 2016.
  22. "DP03 Selected Economic Characteristics – 2006–2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved January 20, 2016.
  23. "Table 2. Detailed Languages Spoken at Home and Ability to Speak English for the Population 5 Years and Over for Maricopa County, AZ: 2009-2013". United States Census Bureau . Retrieved February 27, 2018.
  24. "County Membership Report Maricopa County (Arizona)". The Association of Religion Data Archives . 2010. Retrieved January 1, 2020.
  25. "Social Capital Variables Spreadsheet for 2014". PennState College of Agricultural Sciences, Northeast Regional Center for Rural Development. December 8, 2017. Retrieved December 30, 2019.
  26. Merica, Dan (November 13, 2020). "Biden carries Arizona, flipping a longtime Republican stronghold". CNN. Retrieved November 13, 2020. The Democratic victory declared days after CNN projected Biden's win in the presidential race was anchored by Maricopa County, home to Phoenix and nearly 60% of all people in the state. Maricopa is the fastest-growing county in the country, transforming over the last two decades into a sprawling mass of metropolitan hubs, sun-scorched planned communities and bustling strip malls.
  27. Wasserman, David (October 6, 2020). "Opinion | The 10 Bellwether Counties That Show How Trump Is in Serious Trouble". The New York Times . ISSN   0362-4331 . Retrieved January 18, 2021.
  28. "Voter Registration Statistics" (PDF). Arizona Secretary of State Elections Bureau. Retrieved June 11, 2023.
  29. Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". Retrieved June 12, 2018.
  30. Joseph M. Arpaio Archived June 12, 2010, at the Wayback Machine , Maricopa County Sheriff's Office, 2005. Retrieved December 12, 2007.
  31. Romero, Simon (November 13, 2018). "How Kyrsten Sinema Won Her Senate Seat and Pulled Off a Historic Arizona Triumph". The New York Times. ISSN   0362-4331 . Retrieved August 1, 2019.
  32. "2018 Arizona Senate election results". CNN.
  33. Eddie Cook Maricopa County Assessor. "Maricopa County Assessor's Office". Retrieved July 20, 2022.
  34. "Clerk of the Superior Court of Maricopa County". Retrieved March 23, 2018.
  35. Jenkins, Jimmy (April 20, 2022). "Rachel Mitchell appointed interim Maricopa County attorney". The Arizona Republic. Retrieved April 22, 2022.
  36. 1 2 3 4 ":: Bad Request ::" (PDF). Archived (PDF) from the original on October 9, 2022.
  37. "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Maricopa County, AZ" (PDF). United States Census Bureau. Archived (PDF) from the original on October 9, 2022. Retrieved July 20, 2022. - Text list
  38. Bureau, US Census. "Decennial Census by Decades". The United States Census Bureau.
  39. "2010 Census Block Maps - Geography - U.S. Census Bureau". Archived from the original on December 29, 2014. Retrieved December 7, 2017.
  40. "NASA Earth Observations Data Set Index". NASA. Archived from the original on August 6, 2013. Retrieved January 30, 2016.
  41. "Business, Jobs, and Industry Explorer".
  42. "CAEMP25N Total Full-Time and Part-Time Employment by NAICS Industry 1/". Bureau of Economic Analysis .
  43. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 "National Agricultural Statistics Service - 2017 Census of Agriculture - Volume 1, Chapter 1: State Level Data". USDA, National Agricultural Statistics Service . 2017. Retrieved July 29, 2022.

Further reading

33°30′50″N112°28′33″W / 33.51389°N 112.47583°W / 33.51389; -112.47583