Clockwise from top: Old Yuma City Hall, Yuma Theatre, Old Yuma Post Office, Ocean to Ocean Bridge, Yuma water tower, Yuma County Courthouse
Location of Yuma in Yuma County, Arizona
|• Body||Yuma City Council|
|• Mayor||Douglas J. Nicholls (R)|
|• City||121.09 sq mi (313.62 km2)|
|• Land||121.02 sq mi (313.44 km2)|
|• Water||0.07 sq mi (0.18 km2) 0.07%|
|Elevation||141 ft (43 m)|
|• Density||784.22/sq mi (302.79/km2)|
|• Urban||135,267 (US: 238th)|
|• Metro||203,247 (US: 214th)|
|Time zone||UTC−7 (MST (no DST))|
|GNIS ID(s)||14111, 2412328|
|Major airport||Yuma International Airport|
Yuma (Cocopah : Yuum) is a city in and the county seat of Yuma County, Arizona, United States. The city's population was 93,064 at the 2010 census, up from the 2000 census population of 77,515.
Cocopah is a Delta language of the Yuman language family spoken by the Cocopah. Cocopah is believed to have derived from the Hokan language, and it is related to the other Native American languages of Mojave and Kumeyaay. Cocopah is considered an endangered language, with fewer than 400 speakers at the turn of the 21st century. However, in an effort to keep the language alive, Yuma County's Cocopah Museum began offering classes teaching Cocopah to children in 1998.
A county seat is an administrative center, seat of government, or capital city of a county or civil parish. The term is used in Canada, China, Romania, Taiwan and the United States. County towns have a similar function in the United Kingdom and Republic of Ireland, and historically in Jamaica.
Yuma County is a county in the southwestern corner of the U.S. state of Arizona. As of the 2010 census, its population was 195,751. The county seat is Yuma.
Yuma is the principal city of the Yuma, Arizona, Metropolitan Statistical Area, which consists of Yuma County. According to the United States Census Bureau, the 2014 estimated population of the Yuma MSA is 203,247.More than 85,000 retirees make Yuma their winter residence.
The United States Census Bureau is a principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy. The Census Bureau is part of the U.S. Department of Commerce and its director is appointed by the President of the United States.
Yuma is in the state's southwest corner, in the Sonoran Desert, Yuma Desert sub-region.
The Sonoran Desert is a North American desert which covers large parts of the Southwestern United States in Arizona and California and of Northwestern Mexico in Sonora, Baja California, and Baja California Sur. It is the hottest desert in Mexico. It has an area of 260,000 square kilometers (100,000 sq mi). The western portion of the United States–Mexico border passes through the Sonoran Desert.
The Yuma Desert is a lower-elevation section of the Sonoran Desert in the southwestern United States and the northwest of Mexico. It lies in the Salton basin. The desert contains areas of sparse vegetation and has notable areas of sand dunes. With an average rainfall less than 8 inches (200 mm) each year, this is among the harshest deserts in North America. Human presence is sparse throughout, the largest city being Yuma, Arizona, on the Colorado River and the border of California.
The area's first settlers for thousands of years were Native American cultures and historic tribes. Their descendants now occupy the Cocopah and Quechan reservations.
Native Americans, also known as American Indians, Indigenous Americans and other terms, are the indigenous peoples of the United States, except Hawaii. There are over 500 federally recognized tribes within the US, about half of which are associated with Indian reservations. The term "American Indian" excludes Native Hawaiians and some Alaska Natives, while Native Americans are American Indians, plus Alaska Natives of all ethnicities. Native Hawaiians are not counted as Native Americans by the US Census, instead being included in the Census grouping of "Native Hawaiian and other Pacific Islander".
The Quechan are a Native American tribe who live on the Fort Yuma Indian Reservation on the lower Colorado River in Arizona and California just north of the Mexican border. Members are enrolled into the Quechan Tribe of the Fort Yuma Indian Reservation. The federally recognized Quechan tribe's main office is located in Fort Yuma, Arizona. Its operations and the majority of its reservation land are located in California, United States.
An Indian reservation is a legal designation for an area of land managed by a federally recognized Native American tribe under the U.S. Bureau of Indian Affairs rather than the state governments of the United States in which they are physically located. Each of the 326 Indian reservations in the United States is associated with a particular Native American nation. Not all of the country's 567 recognized tribes have a reservation—some tribes have more than one reservation, while some share reservations. In addition, because of past land allotments, leading to some sales to non–Native Americans, some reservations are severely fragmented, with each piece of tribal, individual, and privately held land being a separate enclave. This jumble of private and public real estate creates significant administrative, political, and legal difficulties.
In 1540, Spanish colonial expeditions under Hernando de Alarcon and Melchior Diaz visited the area and immediately recognized the natural crossing of the Colorado River as an ideal spot for a city. The Colorado River narrows to slightly under 1,000 feet wide in one area. Military expeditions that crossed the Colorado River at the Yuma Crossing include Juan Bautista de Anza (1774), the Mormon Battalion (1848) and the California Column (1862).
The Colorado River is one of the principal rivers in the Southwestern United States and northern Mexico. The 1,450-mile-long (2,330 km) river drains an expansive, arid watershed that encompasses parts of seven U.S. and two Mexican states. Starting in the central Rocky Mountains of Colorado, the river flows generally southwest across the Colorado Plateau and through the Grand Canyon before reaching Lake Mead on the Arizona–Nevada border, where it turns south toward the international border. After entering Mexico, the Colorado approaches the mostly dry Colorado River Delta at the tip of the Gulf of California between Baja California and Sonora.
Juan Bautista de Anza was born in the Spanish Provence of New Navarre in Viceroyalty of New Spain. Of Basque descent, he served as an expeditionary leader, military officer, and politician primarily in California and New Mexico under the Spanish Empire. He is credited as one of the founding fathers of Spanish California and served as an official within New Spain as Governor of the Province of New Mexico.
The Mormon Battalion, the only religion-based unit in United States military history, served from July 1846 – July 1847 during the Mexican–American War of 1846–1848. The battalion was a volunteer unit of between 534 and 559 Latter-day Saint men, led by Mormon company officers commanded by regular U.S. Army officers. During its service, the battalion made a grueling march of nearly 2,000 miles from Council Bluffs, Iowa, to San Diego, California.
During and after the California Gold Rush to the late 1870s, the Yuma Crossing was known for its ferry crossings for the Southern Emigrant Trail. This was considered the gateway to California, as it was one of the few natural spots where travelers could cross the otherwise very wide Colorado River.
The California Gold Rush (1848–1855) began on January 24, 1848, when gold was found by James W. Marshall at Sutter's Mill in Coloma, California. The news of gold brought approximately 300,000 people to California from the rest of the United States and abroad. The sudden influx of gold into the money supply reinvigorated the American economy, and the sudden population increase allowed California to go rapidly to statehood, in the Compromise of 1850. The Gold Rush had severe effects on Native Californians and resulted in a precipitous population decline from disease, genocide and starvation. By the time it ended, California had gone from a thinly populated ex-Mexican territory, to having one of its first two U.S. Senators, John C. Frémont, selected to be the first presidential nominee for the new Republican Party, in 1856.
Southern Emigrant Trail, also known as the Gila Trail, the Kearny Trail, Southern Trail and the Butterfield Stage Trail, was a major land route for immigration into California from the eastern United States that followed the Santa Fe Trail to New Mexico during the California Gold Rush. Unlike the more northern routes, pioneer wagons could travel year round, mountain passes not being blocked by snows, however it had the disadvantage of summer heat and lack of water in the desert regions through which it passed in New Mexico Territory and the Colorado Desert of California. Subsequently, it was a route of travel and commerce between the eastern United States and California. Many herds of cattle and sheep were driven along this route and it was followed by the San Antonio-San Diego Mail Line in 1857-1858 and then the Butterfield Overland Mail from 1858 - 1861.
Following the United States establishing Fort Yuma, two towns developed one mile downriver. The one on the California side was called Jaeger City, named after the owner of Jaeger's Ferry, which crossed the river there. It was for a time the larger of the two, with the Butterfield Overland Mail office and station, two blacksmiths, a hotel, two stores, and other dwellings.
The other was called Colorado City. Developed on the south side of the river in what is now Arizona by speculator Charles Poston, it was the site of the custom house. When started, it was just north of the border between Mexican-ruled Sonora, Mexico and California. After the Gadsden Purchase by the United States, the town bordered on the Territory of New Mexico. This area was designated as the Territory of Arizona in 1863. The Colorado City site at the time was duly registered in San Diego; both banks of the Colorado River just below its confluence with the Gila were recognized as being within the jurisdiction of California. The county of San Diego collected taxes from there for many years.
From 1853 a smaller settlement, Arizona City, grew up on the high ground across from the fort and was organized under the name of its post office in 1858. It had adobe dwellings, two stores and two saloons. Colorado City and Jaeger City were almost completely destroyed by the Great Flood of 1862 and had to be rebuilt on higher ground. At that time Colorado City became part of Arizona City.It took the name Yuma in 1873.
From 1854, Colorado City was the major steamboat stop for traffic up and down the Colorado River. After the 1862 flood, it became part of Arizona City. The steamboats transported passengers and equipment for the various mines and military outposts along the Colorado; Colorado City was the terminus of wagon traffic up the Gila River into New Mexico Territory. They offloaded the cargo from ships at the mouth of the Colorado River at Robinson's Landing and from 1864 at Port Isabel. From 1864, the Yuma Quartermaster Depot, today a state historic park, supplied all forts in present-day Arizona, as well as large parts of Colorado and New Mexico. After Arizona became a separate territory, Yuma became the county seat for Yuma County in 1871, replacing La Paz, the first seat.
The Southern Pacific Railroad bridged the river in 1877, and acquired George Alonzo Johnson's Colorado Steam Navigation Company, the only steamboat company on the river. Yuma became the new base of navigation on the river, ending the need for Port Isabel, which was abandoned in 1879. The warehouses and shipyard there were moved to Yuma.
The city of Yuma operates as a charter city under the Charter of the City of Yuma.The elected government of the city is the City Council which follows the mayor–council government system and whose members include:
The Mayor of the City of Yuma acts as the chief executive officer of the city, and is elected for a period of four years. The mayor is elected from the city at large. The mayor has the following powers and responsibilities: act as an ex officio chairman of the city council (ensuring all ordinances thereof are enforced), call and preside over meetings, administer oaths and issue proclamations. The mayor is also recognized as the official head of the city by the courts and has the power to take command of the police and govern the city by proclamation during times of great danger.
The City of Yuma City Council is the governing body of the City of Yuma and is vested with all powers of legislation in municipal affairs. The council is composed of six council members elected from the city at large for four-year terms, as well as the Mayor of Yuma. A deputy mayor is also elected by the Council who shall act as Mayor during the temporary absence of the mayor. The current council members are Gary Knight, Leslie McClendon, Jacob Miller, Edward Thomas, Mike Shelton, and Karen Watts. The next election is the August 2019 Primary for the three city council seats that are currently held by Miller, Thomas, and Shelton.
The City Council appoints a city administrator who acts as the chief administrative officer of the city. The city administrator is directly responsible to the City Council for the administration of all city affairs placed in his charge by the City Charter, or by ordinances passed by the Council. Some of the administrator's duties include: see that all laws and provisions of the City Charter are faithfully executed, prepare and submit the annual budget and capital program to the City Council and keep the City Council fully advised as to the financial condition and future needs of the city.
Yuma is near the borders of California to the west and Mexico to the south, and just west of the Gila River's confluence with the Colorado. The city is approximately 60 miles from the Gulf of California (Sea of Cortez), a branch of the Pacific.
According to the United States Census Bureau, the city has a total area of 106.7 square miles (276 km2), of which 106.6 square miles (276 km2) is land and 0.1 square miles (0.26 km2) (0.07%) is water.
Yuma is noted for its weather extremes. Of any populated place in the contiguous United States, Yuma is the driest, the sunniest, and the least humid, has the lowest frequency of precipitation, and has the highest number of days per year–175–with a daily maximum temperature of 90 °F (32 °C) or higher.
Yuma features a hot desert climate (Köppen climate classification BWh), with extremely hot summers and warm winters. Atmospheric humidity is usually very low except during what are called "Gulf surges", when a maritime tropical air mass from the Gulf of California is drawn northward, usually in connection with the summer monsoon or the passage of a tropical storm to the south.
The sun is said to shine during about 90% of the daylight hours, making Yuma the sunniest place in the world.An annual mean sunshine duration of 4,015 h would have been recorded in the desert city.
On average, Yuma receives 3.36 inches (85 mm) of rain annually. Even in the wettest year of 2005, only 7.39 in (188 mm) fell. The driest year at Yuma Airport has been 2007, with only 0.15 in (3.8 mm) recorded. On average, August and September are the wettest months of the year, while June is the driest.
In 1995, Yuma reached its all-time high of 124 °F (51 °C). The lowest recorded temperature was −6 °C (21 °F) on the Yuma-Mesa area in January 2007. The temperature fell to −6 °C (21 °F) for approximately two hours and harmed many crops grown in and around Yuma. The crop that suffered the most damage was the citrus on the Yuma mesa, most notably the lemon crop. It suffered a 75% to 95% loss of crop and trees, as stated by the Arizona Department of Agriculture in a February 2007 report. On average, the temperature lowers to the freezing mark in less than a quarter of years, and there are 118 days per year that reach or exceed 100 °F (38 °C), usually from April through October. During July and August the temperature fails to reach the century mark on at most, only a few days.
In 1997, the desert city sustained a full tropical storm after Hurricane Nora made landfall at the mouth of the Colorado River and quickly moved due north along it. This rare event cut power to 12,000 customers in Yuma, and dropped 3.59 inches (91 mm) of rain at Marine Corps Air Station Yuma. The last time a hurricane had hit near Yuma was in mid-August 1977, when similar falls were recorded.
|Climate data for Yuma, Arizona (Yuma Int'l), 1981–2010 normals, extremes 1878–present|
|Record high °F (°C)||88|
|Mean maximum °F (°C)||79.4|
|Average high °F (°C)||69.6|
|Average low °F (°C)||47.6|
|Mean minimum °F (°C)||37.3|
|Record low °F (°C)||22|
|Average precipitation inches (mm)||0.36|
|Average precipitation days (≥ 0.01 in)||2.3||2.0||1.8||.8||.4||.2||.9||2.3||1.2||1.1||1.0||2.1||16.2|
|Mean monthly sunshine hours||268.4||270.8||335.5||365.5||407.4||415.4||392.6||375.6||341.7||319.6||270.1||252.7||4,015.3|
|Percent possible sunshine||84||88||90||94||95||97||90||91||92||91||86||81||90|
|U.S. Decennial Census|
As of the census of 2010, there were 93,064 people. There were 38,626 housing units in Yuma city, 79.5% of which were occupied housing units. The racial makeup of the city was 68.8% White, 3.2% Black or African American, 1.8% Native American, 1.9% Asian, 0.2% Pacific Islander, and 4.5% from two or more races. 54.8% of the population were Hispanic or Latino of any race.
As of the census of 2000, there were 77,515 people, 26,649 households, and 19,613 families residing in the city. The population density was 726.8 people per square mile (280.6/km²). There were 34,475 housing units at an average density of 323.3 per square mile (124.8/km²). The racial makeup of the city was 68.3% White, 3.2% Black or African American, 1.5% Native American, 1.5% Asian, 0.2% Pacific Islander, 21.4% from other races, and 3.9% from two or more races. 45.7% of the population were Hispanic or Latino of any race.
There were 26,649 households out of which 38.8% had children under the age of 18 living with them, 56.6% were married couples living together, 13.1% had a female householder with no husband present, and 26.4% were non-families. 21.7% of all households were made up of individuals and 9.8% had someone living alone who was 65 years of age or older. The average household size was 2.79 and the average family size was 3.27.
In the city, the population was spread out with 29.6% under the age of 18, 11.9% from 18 to 24, 27.1% from 25 to 44, 17.5% from 45 to 64, and 13.9% who were 65 years of age or older. The median age was 31 years. For every 100 females, there were 99.1 males. For every 100 females age 18 and over, there were 97.2 males.
According to the 2006 American Community Survey estimate, the median income for a household in the city was $39,885, and the median income for a family was $41,588. Males had a median income of $35,440 versus $27,035 for females. The per capita income for the city was $18,393. About 14.1% of families and 16.9% of the population were below the poverty line, including 23.4% of those under age 18 and 13.9% of those age 65 or over.
High unemployment remains an issue in Yuma. Citing April 2014 data, the Bureau of Labor Statistics ranked Yuma as having the highest unemployment rate in the United States at 23.8 percent, above the 21.6 percent in El Centro, California.Yuma's agricultural workforce, which adjusts to the picking season, is cited by the Arizona Department of Commerce as the reason for the apparent high unemployment.
The Yuma Metropolitan Statistical Area has the highest unemployment rate in the United States as of 2018 at 20.9%.A large percentage of the work force is employed seasonally in agriculture, contributing to apparent unemployment.
According to the City's 2016 Comprehensive Annual Financial Report,the top employers in the Yuma Metropolitan Statistical Area in 2015 were:
|#||Employer||# of employees|
|1||Marine Corps Air Station Yuma||6,825|
|2||Yuma Proving Ground||2,093|
|3||Yuma Regional Medical Center||2,500|
|5||Yuma Elementary School District||1,400|
|8||City of Yuma||1,200|
|9||United States Border Patrol||1,000|
|10||Yuma Union High School District||1,000|
Other large employers include Bose, Dole Fresh Vegetables and Shaw Industries.
Yuma contains the historical Yuma Territorial Prison, the Yuma Quartermaster Depot State Historic Park (formerly known as the Yuma Crossing Historic Park), and a historic downtown area. Yuma is an Arizona Main Street City. Because of budget cutbacks at the state level, Arizona State Parks no longer operates the Territorial Prison and Quartermaster Depot. They are now operated by the Yuma Crossing National Heritage Area and the City of Yuma. The Yuma Visitors' Bureau oversees the Welcome Center at the Quartermaster Depot and is the official visitors' center for the Yuma Community.
Near Yuma are the Kofa Mountain Range and wildlife refuge, Martinez and Mittry Lakes, and the Algodones Dunes.
The city is the location of the Marine Corps Air Station Yuma, which conducts an annual air show and many large-scale military exercises. There is also the Yuma Proving Ground, an Army base that tests new military equipment. Yuma Proving Ground is also home to the Special Operations Free Fall School, which provides training in free-fall parachute operations to Special Forces units in all branches of service, as well as those of other nations.
The Colorado River runs along the north and west side of town, serving as the border between Arizona and California. Yuma is an important station for trucking industry movement of goods between California, Arizona and Mexico.
The Rialto movie theatre once owned a Kilgen pipe organ, one of the most expensive pipe organs to have been made. Originally played as accompaniment to silent films, it has been moved to the Yuma Theatre.
Every February residents and visitors enjoy the annual rodeo, the Yuma Jaycees Silver Spur Rodeo. A parade opens the events. Cowboys and cowgirls from all over the country compete in the festivities.
The Yuma County Fair takes place annually in the spring at the fairgrounds in Yuma.
A number of movies have been shot in the Yuma area, including The Sheik (1921), Beau Geste (1926), Beau Geste (1939), Beau Geste (1966), Gunga Din (1939), Flight of the Phoenix (1966), Return of the Jedi (1983) and Spaceballs (1987).
Yuma has a minor-league-caliber ballpark, Desert Sun Stadium, which was home to the Yuma Desert Rats of the North American League and site of home games of two (previously four) teams for the Arizona Winter League.The San Diego Padres used the field as a spring training facility from 1969 until 1993. and a Japanese baseball team, the Yakult Swallows, used the field for spring training from 1995 to 2015. Many local club sports exist in the area as well, including the Yuma Sidewinders Rugby Football Club. The rugby team participates in the Division III Arizona Men's Rugby league, and travels throughout Arizona, California and Nevada, as well as playing home games in Yuma.
The city is zoned to the Yuma Union High School District. Yuma has five public high schools: Yuma Union High School, Kofa High School, Cibola High School, Gila Ridge High School, Vista Alternative High School; and the private Yuma Catholic High School and Calvary Baptist School. Yuma also has four charter high schools: AZTEC High School, Carpe Diem Collegiate High School, Harvest Preparatory Academy, and YPIC Charter High School.
Yuma has two main elementary school districts, District One and Crane District, which include several schools as well as junior high schools. Yuma has four charter elementary school: AmeriSchools Academy North and South, Harvest Preparatory Academy, and Desert View Academy.
Additionally, Yuma has 6 six private elementary schools: Yuma Lutheran School, Yuma Adventist Christian School, Immaculate Conception School, St. Francis of Assisi School, Calvary Baptist School and Southwestern Christian School.
Arizona Western College is Yuma's community college, serving primarily as a choice for transfer students and those with shorter career goals.
Northern Arizona University has a branch campus in Yuma, as does the for-profit University of Phoenix.
Yuma is served by the Yuma County Library District which consists of a Main Library and several branches, including sites in Somerton, Wellton, Fortuna Foothills, and San Luis. A new main state-of-the-art library is now open.
Phoenix is the capital and most populous city of Arizona, with 1,626,000 people. It is also the fifth most populous city in the United States, and the most populous American state capital, and the only state capital with a population of more than one million residents.
Imperial County is a county in the U.S. state of California. As of the 2010 census, the population was 174,528. The county seat is El Centro. Established in 1907 from a division of San Diego County, it was last county to be formed in California.
La Paz County is a county in the western part of the U.S. state of Arizona. As of the 2010 census, its population was 20,489, making it the second-least populous county in Arizona. The county seat is Parker. The name of the county is the Spanish word for "the peace", and is taken from the early settlement of La Paz along the Colorado River.
Gila Bend, founded in 1872, is a town in Maricopa County, Arizona, United States. The town is named for an approximately 90-degree bend in the Gila River, which is near the community's current location. According to the 2010 census, the population of the town is 1,922.
Bullhead City is a city located on the Colorado River in Mohave County, Arizona, United States, roughly 90 mi (140 km) south of Las Vegas, Nevada, and directly across the Colorado River from Laughlin, Nevada, whose casinos and ancillary services supply much of the employment for Bullhead City. Bullhead City is located on the southern border of Lake Mohave. According to the 2010 census, the population of the city is 39,540. The nearby communities of Laughlin, Needles, California, Fort Mohave and Mohave Valley bring the Bullhead area's total population to about 100,000, making it the largest micropolitan area in Mohave County.
Kingman is a city in and the county seat of Mohave County, Arizona, United States. According to the 2010 census, the population of the city is 28,068. The nearby communities of Butler, and Golden Valley bring the Kingman area total population to over 45,000. Kingman is located about 105 miles (169 km) southeast of Las Vegas, Nevada and about 165 miles (266 km) northwest of the state capital, Phoenix.
Maricopa is a city in the Gila River Valley in Arizona. With an estimated 51,977 residents as of 2018, Maricopa is the second most populous incorporated city in Pinal County and eighteenth most populous in Arizona. Maricopa forms part of the Phoenix metropolitan area.
El Centro is a city in and county seat of Imperial County, California, the largest city in the Imperial Valley, east anchor of the Southern California Border Region, and the core urban area and principal city of the El Centro metropolitan area which encompasses all of Imperial County. El Centro is also the largest American city to lie entirely below sea level. The city, located in southeastern California, is 113 miles (182 km) from the major Southern California city of San Diego and near the Mexican city of Mexicali.
Blythe is a city in Riverside County, California, United States, in the Palo Verde Valley of the Lower Colorado River Valley region, an agricultural area and part of the Colorado Desert along the Colorado River, approximately 224 miles (360 km) east of Los Angeles and 150 miles (240 km) west of Phoenix. Blythe was named after Thomas H. Blythe, a San Francisco financier, who established primary water rights to the Colorado River in the region in 1877. The city was incorporated on July 21, 1916. The population was 20,817 at the 2010 census.
Indio is a city in Riverside County, California, United States, located in the Coachella Valley of Southern California's Colorado Desert region. It lies 23 miles (37 km) east of Palm Springs, 75 miles (121 km) east of Riverside, 127 miles (204 km) east of Los Angeles, and 148 miles northeast of San Diego. The word Indio is Spanish for Indian.
Needles is a city in eastern San Bernardino County, California, United States. It lies on the western banks of the Colorado River in the Mohave Valley subregion of the Mojave Desert, near the borders of Arizona and Nevada and roughly 110 miles (180 km) from the Las Vegas Strip. It is the easternmost city of the San Bernardino-Riverside metropolitan area. Needles is geographically isolated from other cities in the county. Barstow, the nearest city within the county, is separated from Needles by over 140 miles of desert and 2 mountain ranges. The city is accessible via Interstate 40 and U.S. Route 95. The population was 4,844 at the 2010 census, up from 4,830 at the 2000 census.
The Imperial Valley lies in the California counties of Imperial and Riverside. It is located in southeastern Southern California, and is the site of an urban area largely centered on the city of El Centro. The Valley is bordered by the Colorado River to the east and, in part, the Salton Sea to the west. Farther west lies the San Diego and Imperial County border. To the north is the Coachella Valley region of Riverside County, which together with Imperial Valley form the Salton Trough, or the Cahuilla Basin, also the county line of Imperial and Riverside counties, and to the south the international boundary with the U.S. state of California and Baja California.
San Luis Río Colorado is a city and also the name of its surrounding municipality. In the 2015 census, the city had a population of 192,739. The city is the fourth-largest community in the state, and the municipality is also the fourth-largest in terms of population. Lying in the northwestern corner of the state of Sonora, the city marks the state border with Baja California. It also stands on the international border with the United States, adjacent to San Luis, Arizona. It is located about 75 km from Mexicali. The municipality covers an area of 8,412.75 km² in the Sonoran Desert.
San Luis is a city in Yuma County, Arizona, United States. The population was 25,505 at the 2010 census. It is part of the Yuma Metropolitan Statistical Area. San Luis, located in the southwest corner of the state directly adjacent to Mexico's Federal Highway 2 at San Luis Rio Colorado, was the second fastest-growing city or town in Arizona from 1990 to 2000. According to 2014 Census Bureau estimates, the population of the city is 31,091.
The Lower Colorado River Valley ("LCRV") is the river region of the lower Colorado River of the southwestern United States in North America that rises in the Rocky Mountains and has its outlet at the Colorado River Delta in the northern Gulf of California in northwestern Mexico, between the states of Baja California and Sonora. This north–south stretch of the Colorado River forms the border between the U.S. states of California/Arizona and Nevada/Arizona, and between the Mexican states of Baja California/Sonora.
Arizona is a landlocked state situated in the southwestern region of the United States of America. It has a vast and diverse geography famous for its deep canyons, high- and low-elevation deserts, numerous natural rock formations, and volcanic mountain ranges. Arizona shares land borders with Utah to the north, the Mexican state of Sonora to the south, New Mexico to the east, and Nevada to the northwest, as well as water borders with California and the Mexican state of Baja California to the southwest along the Colorado River. Arizona is also one of the Four Corners states and is diagonally adjacent to Colorado.
Arizona is a state in the southwestern region of the United States. It is also part of the Western and the Mountain states. It is the sixth largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona shares the Four Corners region with Utah, Colorado, and New Mexico; its other neighboring states are Nevada and California to the west and the Mexican states of Sonora and Baja California to the south and southwest.
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