Chester County, Pennsylvania

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Chester County
County of Chester
Chester County Courthouse.jpg
Flag of Chester County, Pennsylvania.svg
Chester County Seal.png
Map of Pennsylvania highlighting Chester County.svg
Location within the U.S. state of Pennsylvania
Pennsylvania in United States.svg
Pennsylvania's location within the U.S.
Coordinates: 39°58′N75°45′W / 39.97°N 75.75°W / 39.97; -75.75 Coordinates: 39°58′N75°45′W / 39.97°N 75.75°W / 39.97; -75.75
CountryFlag of the United States.svg United States
StateFlag of Pennsylvania.svg  Pennsylvania
FoundedAugust 24, 1682
Named for Chester, England
Seat West Chester
Largest cityWest Chester
Government
   County commission
  • Marian Moskowitz (D)
  • Josh Maxwell (D)
  • Michelle Kichline (R)
Area
  Total759 sq mi (1,970 km2)
  Land751 sq mi (1,950 km2)
  Water8.7 sq mi (23 km2)  1.1%%
Population
 (2020)
  Total534,413
  Density712.0/sq mi (274.9/km2)
Time zone UTC−5 (Eastern)
  Summer (DST) UTC−4 (EDT)
Congressional districts 5th, 6th
Website www.chesco.org
DesignatedOctober 26, 1982 [1]
Chester County, Pennsylvania
Interactive map of Chester County, Pennsylvania

Chester County (Pennsylvania Dutch: Tscheschter Kaundi), colloquially known as Chesco, is a county in the southeastern part of the U.S. state of Pennsylvania. As of the 2020 census, the population was 534,413, [2] increasing by 7.1% from 498,886 in 2010. [3] The county seat and most populated municipality is West Chester. [4] Chester County was one of the three original Pennsylvania counties created by William Penn in 1682. It was named for Chester, England.

Contents

Chester County is part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metropolitan Statistical Area. Eastern Chester County is home to many communities that comprise part of the Main Line western suburbs outside of Philadelphia, while part of its southernmost portion is considered suburban Wilmington, along with southwest Delaware County.

History

Chester County, Pennsylvania sign Chester County sign.JPG
Chester County, Pennsylvania sign

Philadelphia, Bucks, and Chester were the three Pennsylvania counties initially created by William Penn on August 24, 1682. [5] [6] At that time, Chester County's borders were Philadelphia County to the north, the ill-defined western edge of the colony (approximately the Susquehanna River) to the west, the Delaware River to the east, and Delaware and Maryland to the south. Chester County replaced the Pennsylvania portion of New Netherland/New York’s "Upland", which was officially eliminated when Pennsylvania was chartered on March 4, 1681, but did not cease to exist until June of that year. [7] [8] Much of the Welsh Tract was in eastern Chester County, and Welsh place names, given by early settlers, continue to predominate there.

The fourth county in the state, Lancaster County, was formed from Chester County on May 10, 1729. On March 11, 1752, Berks County was formed from the northern section of Chester County, as well as parts of Lancaster and Philadelphia counties.

The original Chester County seat was the City of Chester, a center of naval shipbuilding, at the eastern edge of the county. In an effort to accommodate the increased population of the western part of the county, the county seat was moved to a more central location in 1788; in order to mollify the eastern portion of the county, the village, known as Turk's Head, was renamed West Chester. In response to the new location of the county seat, the eastern portion of the county separated and formed the new Delaware County in 1789 with the City of Chester as its county seat. [9]

Much of the history of Chester County arises from its location between Philadelphia and the Susquehanna River. The first road to "the West" (meaning Lancaster County) passed through the central part of Chester County, following the Great Valley westward; with some re-alignments, it became the Lincoln Highway and later U.S. Route 30. This road is still named Lancaster Avenue in most of the Chester County towns it runs through. The first railroad (which became the Pennsylvania Railroad) followed much the same route, and the Reading Railroad progressed up the Schuylkill River to Reading. Industry tended to concentrate along the rail lines. Easy transportation allowed workers to commute to urban jobs, and the rise of the suburbs followed. To this day, the developed areas form "fingers" extending along major lines of transportation.

During the American Revolutionary War, the Battle of Brandywine was fought at what is now the southeastern fringe of the county. The Valley Forge encampment was at the northeastern edge.

Geography

According to the U.S. Census Bureau, the county has a total area of 759 square miles (1,970 km2), of which 751 square miles (1,950 km2) is land and 8.7 square miles (23 km2) (1.1%) is water. [10] The topography consists of rolling hills and valleys and it is part of the region known as the Piedmont.

Watersheds that serve Chester County include the Octoraro, the Brandywine, and Chester creeks, and the Schuylkill River. Many of the soils are fertile, rich loam as much as twenty-four inches thick; together with the temperate climate, this was long a major agricultural area.[ citation needed ] Because of its proximity to Philadelphia, Chester County has seen large waves of development over the past half-century due to suburbanization. Although development in Chester County has increased, agriculture is still a major part of the county's economy, and the number of horse farms is increasing in the county.[ citation needed ] Mushroom growing is a specialty in the southern portion of the county.

Elevations (in feet): High point—1020 Welsh Mt., Honeybrook Twp. Other high points—960 Thomas Hill, Warwick Twp; 960 Barren Hill, West Caln Twp. Low point—66 Schuylkill River, Chester-Montgomery county line. Cities and boroughs: Coatesville 314; Downingtown 255; Kennett Square 300; Oxford 535; Parkesburg 542; Phoenixville 127; Spring City 114; West Chester 459. [11]

Adjacent counties

National protected area

State protected areas

Major roads and highways

Economy and environment

Lanchester Landfill, located on the border of Chester and Lancaster Counties, captures methane which is sold for renewable natural gas credits, and piped to seven local businesses. This reduces the county's methane emissions, and provides an alternative to fracking for shale gas. [12] In addition, several companies have their headquarters or a major presence in the county including Bentley Systems, EBS Healthcare, Main Line Health, Lavazza North America (formerly Mars Drinks), Depuy Synthes (part of Johnson & Johnson), Metabo, QVC, Hankin Group, Axalta Coating Systems, CTDI, Pactiv, Ricoh Americas, Blinding Edge Pictures, AmerisourceBergen, J.G. Wentworth, The Vanguard Group, and Victory Brewing Company among others.

Demographics

Historical population
CensusPop.
1790 27,829
1800 32,09315.3%
1810 39,59623.4%
1820 44,45112.3%
1830 50,91014.5%
1840 57,51513.0%
1850 66,43815.5%
1860 74,57812.3%
1870 77,8054.3%
1880 83,4817.3%
1890 89,3777.1%
1900 95,6957.1%
1910 109,21314.1%
1920 115,1205.4%
1930 126,62910.0%
1940 135,6267.1%
1950 159,14117.3%
1960 210,60832.3%
1970 278,31132.1%
1980 316,66013.8%
1990 376,39618.9%
2000 433,50115.2%
2010 498,88615.1%
2020 534,4137.1%
U.S. Decennial Census [13]
1790–1960 [14] 1900–1990 [15]
1990–2000 [16] 2010–2019 [3]

As of the 2010 census, the county was 82.1% White Non-Hispanic, 6.1% Black or African American, 0.2% Native American or Alaskan Native, 3.9% Asian, 0.0% Native Hawaiian, 1.8% were two or more races, and 2.4% were some other race. 6.5% of the population were Hispanic or Latino.

As of the census [17] of 2000, there were 433,501 people, 157,905 households, and 113,375 families residing in the county. The population density was 573 people per square mile (221/km2). There were 163,773 housing units at an average density of 217 per square mile (84/km2). The racial makeup of the county was 89.21% White, 6.24% Black or African American, 0.15% Native American, 1.95% Asian, 0.03% Pacific Islander, 1.35% from other races, and 1.06% from two or more races. 3.72% of the population were Hispanic or Latino of any race. 18.0% were of Irish, 17.3% German, 13.1% Italian, 10.1% English and 5.6% American ancestry. 91.4% spoke English and 3.7% Spanish as their first language.

There were 157,905 households, out of which 35.10% had children under the age of 18 living with them, 60.50% were married couples living together, 8.10% had a female householder with no husband present, and 28.20% were non-families. 22.60% of all households were made up of individuals, and 7.60% had someone living alone who was 65 years of age or older. The average household size was 2.65 and the average family size was 3.15.

In the county, the population was spread out, with 26.20% under the age of 18, 7.90% from 18 to 24, 30.40% from 25 to 44, 23.80% from 45 to 64, and 11.70% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 96.40 males. For every 100 females age 18 and over, there were 93.10 males.

The median income for a household in the county was $65,295, and the median income for a family was $76,916 (these figures had risen to $80,818 and $97,894 respectively as of a 2007 estimate). Males had a median income of $51,223 versus $34,854 for females. The per capita income for the county was $31,627. About 3.10% of families and 5.20% of the population were below the poverty line, including 5.10% of those under age 18 and 5.50% of those age 65 or over.

The region was originally occupied by the Lenni Lenape people, who greeted European settlers in the seventeenth century with amity and kindness. British settlers were mostly English, Scotch-Irish and Welsh in ethnicity. From the late 19th to early 20th century, the industrial areas of the region, such as Coatesville, attracted immigrants and job seekers from Germany and Ireland, Eastern Europe, Italy, and the American rural South, with both black and white migrants coming north. Later Hispanic immigrants have included Puerto Ricans and, most recently, Mexicans.

Long a primarily rural area, Chester County is now [ when? ] the fastest-growing county in the Delaware Valley; it is one of the fastest growing in the entire Northeastern section of the United States.

Religion

Uwchlan Meetinghouse Uwchlan Meeting.JPG
Uwchlan Meetinghouse

In keeping with its colonial history, Chester County is home to a number of historic Quaker buildings, including Birmingham, Birmingham Orthodox, Bradford, Caln, Old Kennett, Parkersville, Westtown, and Uwchlan meeting houses. Other historic religious buildings include St. Malachi Church, southeastern Pennsylvania's oldest active Catholic mission church, and the Episcopal St. Mary's, St. Paul's, and St. Peter's churches, and Washington Memorial Chapel. Also located in the county are the First Presbyterian Church of West Chester, Coventryville United Methodist Church, which is part of the Coventryville Historic District, and Beth Israel Congregation of Chester County, a Conservative synagogue in Coatesville, a site of Eastern European immigration in the 20th century.

Politics

Voter registration

According to the Secretary of State's office, Democrats comprise a plurality of registered voters in Chester County.

Chester County voter registration statistics as of August 15, 2022 [18]
Political PartyTotal VotersPercentage
Democratic 157,56741.78%
Republican 151,57440.19%
No Party Affiliation45,81512.15%
Minor parties22,2255.89%
Total377,181100.00%

Election results

2012 US presidential election in Chester County
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Obama--80-90%
Obama--70-80%
Obama--60-70%
Obama--50-60%
Obama--<50%
Romney--<50%
Romney--50-60%
Romney--60-70% 2012 United States presidential election in Chester County.png
2012 US presidential election in Chester County
  Obama—80-90%
  Obama—70-80%
  Obama—60-70%
  Obama—50-60%
  Obama—<50%
  Romney—<50%
  Romney—50-60%
  Romney—60-70%

Chester County has historically been reliably Republican at the county level; traditionally, it was the most conservative county in the Philadelphia area. In recent elections, however, it has been trending Democratic, though not as overwhelmingly as the rest of the Philadelphia suburbs. In 2000 Al Gore lost it by almost 10 percent but in 2004 George W. Bush defeated John Kerry by a much smaller margin of only 4.5 percent. In 2008, Chester County sided with the rest of Pennsylvania and voted for Barack Obama by a much larger margin of 9%, making him the first Democrat to carry it in a Presidential election since 1964. But, in 2009, with a smaller turnout, Republican candidates swept all county-row offices, winning with an average margin of 20%. In 2012 the county voted for Republican candidate Mitt Romney, by a very small margin of about 500 votes. [19]

In 2016, despite Pennsylvania voting for a Republican presidential candidate for the first time since 1988, Chester County voted more Democratic than in 2012, with Hillary Clinton leading Donald Trump by over 25,000 votes or 9.4 percentage points; a 9.2 percentage point swing from 2012. The only two statewide winners in 2016 to carry Chester County were U.S. Senator Pat Toomey (R) and Pennsylvania State Treasurer Joe Torsella (D). Republican candidates John Brown and John Rafferty carried Chester County, though both lost their races for Auditor General and Attorney General, respectively (Rafferty, a State Senator whose district includes northern Chester County, carried the county by a slim margin of 50 votes [20] ) Emphasizing its Democratic shift even further, Joe Biden defeated Donald Trump by a whopping 17.1 points in Chester County in the 2020 election; Trump's percentage of votes was the lowest for any Republican since 1912. Such a major shift was a major factor in Biden's success of flipping Pennsylvania back to the Democratic column.

Democrats have made gains in Chester County state legislative seats in recent elections. Democrat Andy Dinniman picked up the 19th Senate District in May 2006 in the special election to replace the late Robert Thompson. Democrat Barbara McIlvaine Smith picked up the open 156th House district in November 2006, winning by 28 votes and tipping the State-House majority to the Democrats. This was the first time that a Democrat had served part of Chester County as State Representative since Jim Gerlach (who represented much of Chester County for 12 years in Congress) unseated Sam Morris in 1990. In 2008, two more open House seats in the county went Democratic—to Tom Houghton in the 13th and Paul Drucker in the 157th. In 2010, however, Chester County swung back to the GOP, with Republicans Dan Truitt (who defeated McIlvaine Smith), Warren Kampf (who defeated Drucker), and John Lawrence (who defeated Houghton) all elected to the State House.[ citation needed ]

On November 8, 2017, Democrats made historic inroads in Chester County by winning their first county row office seats in history, picking up 4 row office seats. [21] On November 5, 2019, Democrats swept countywide row office seat elections and took a majority on the Board of Commissioners, for a first time in county history. [22]

United States presidential election results for Chester County, Pennsylvania [23] [24]
Year Republican Democratic Third party
No.%No.%No.%
2020 128,56540.72%182,37257.76%4,8161.53%
2016 116,11442.53%141,68251.90%15,2025.57%
2012 124,84049.43%124,31149.22%3,4251.36%
2008 114,42144.83%137,83354.00%2,9981.17%
2004 120,03652.00%109,70847.53%1,0790.47%
2000 100,08053.33%82,04743.72%5,5492.96%
1996 77,02948.64%64,78340.91%16,55410.45%
1992 74,00243.73%59,64335.25%35,56321.02%
1988 93,52267.00%44,85332.13%1,2100.87%
1984 92,22170.11%38,87029.55%4400.33%
1980 73,04660.92%34,30728.61%12,54310.46%
1976 67,68660.42%42,71238.13%1,6281.45%
1972 72,72668.44%31,11829.29%2,4152.27%
1968 56,07357.19%32,60633.25%9,3729.56%
1964 40,28045.46%47,94054.10%3900.44%
1960 53,05963.64%30,16736.18%1470.18%
1956 47,22570.24%19,95729.68%500.07%
1952 39,96164.86%21,49034.88%1640.27%
1948 29,25865.78%14,67032.98%5501.24%
1944 26,65558.70%18,54840.84%2080.46%
1940 28,22255.47%22,47344.17%1830.36%
1936 29,34051.81%26,67647.11%6131.08%
1932 29,42569.21%12,04028.32%1,0522.47%
1928 36,65982.27%7,68917.26%2100.47%
1924 22,33375.76%5,94620.17%1,2014.07%
1920 18,12969.57%7,00426.88%9273.56%
1916 11,84556.77%8,51440.81%5052.42%
1912 5,70828.85%6,90134.88%7,17736.27%
1908 13,11864.07%6,55532.01%8033.92%
1904 14,20073.90%4,34222.60%6733.50%
1900 13,80966.20%6,21429.79%8354.00%
1896 14,23267.80%6,05828.86%7003.33%
1892 10,98255.57%7,85039.72%9324.72%
1888 11,57858.51%7,54138.11%6693.38%
1884 10,88558.59%7,10238.23%5923.19%
1880 11,29859.25%7,52439.46%2461.29%


Government

Commissioners

Chester County is administered by a three-person Board of Commissioners, who serve four-year terms. Elections occur in the odd-numbered years that precede U.S. Presidential elections, with the next election falling in 2023. The Commissioners have selective policy-making authority to provide certain local services and facilities on a county-wide basis. Accordingly, the commissioners are responsible for the management of the fiscal and administrative functions of the county.

As of January 2020: [22]

OfficialPartyTerm ends
Michelle Kichline Republican 2023
Josh Maxwell Democratic 2023
Marian Moskowitz Democratic 2023

County row officers

as of November 4,2021: [25] [26]

OfficeOfficialPartyTerm ends
Clerk of CourtsYolanda Van de Krol Democratic 2025
ControllerMargaret Reif Democratic 2025
CoronerSophia Garcia-Jackson Democratic 2025
TreasurerPatricia Maisano Democratic 2025
District AttorneyDeborah Ryan Democratic 2023
ProthonotaryDebbie Bookman Democratic 2023
Recorder of DeedsChris Pielli Democratic 2023
Register of WillsMichele Vaughn Democratic 2023
SheriffFredda Maddox Democratic 2023

United States House of Representatives

The 2018 congressional map ordered by the Supreme Court of Pennsylvania places Chester County mostly within the 6th congressional district, with an uninhabited exclave of Birmingham Township in the 5th congressional district Pennsylvania Congressional District 6.png
The 2018 congressional map ordered by the Supreme Court of Pennsylvania places Chester County mostly within the 6th congressional district, with an uninhabited exclave of Birmingham Township in the 5th congressional district

As of January 3,2021:

DistrictRepresentativeParty
5 Mary Gay Scanlon Democratic
6 Chrissy Houlahan Democratic

United States Senate

As of January 3,2021:

SenatorParty
Bob Casey Jr. Democratic
Pat Toomey Republican

State House of Representatives

State House districts in Chester County State house 2014 201404081024056983.pdf
State House districts in Chester County

As of January 5,2021:

DistrictRepresentativeParty
13 John Lawrence Republican
26 Tim Hennessey Republican
74 Dan Williams Democratic
155 Danielle Otten Democratic
156 Dianne Herrin Democratic
157 Melissa Shusterman Democratic
158 Christina Sappey Democratic
160 Craig Williams Republican
167 Kristine Howard Democratic

State Senate

State Senate districts in Chester County PA State Senate districts within Chester County.pdf
State Senate districts in Chester County

As of January 5,2021:

DistrictSenatorParty
9 John Kane Democratic
19 Carolyn Comitta Democratic
26 Tim Kearney Democratic
44 Katie Muth Democratic

Education

Colleges and universities

Philips Hall at West Chester University of Pennsylvania PhilipsBlgWCU.JPG
Philips Hall at West Chester University of Pennsylvania

Public school districts

Map of Chester County, Pennsylvania Public School Districts Map of Chester County Pennsylvania School Districts.png
Map of Chester County, Pennsylvania Public School Districts

School districts include: [27]

Charter schools

Independent schools

Libraries

The Chester County Library System in southeastern Pennsylvania was organized in 1965. It is a federated system composed of a District Center Library in Exton and sixteen member libraries. The system provides materials and information for life, work and pleasure.

Communities

Map of Chester County, Pennsylvania with Municipal Labels showing Cities and Boroughs (red), Townships (white), and Census-designated places (blue). Map of Chester County Pennsylvania With Municipal and Township Labels.png
Map of Chester County, Pennsylvania with Municipal Labels showing Cities and Boroughs (red), Townships (white), and Census-designated places (blue).

Under Pennsylvania law, there are four types of incorporated municipalities: cities, boroughs, townships, and, in at most two cases, towns. The post office uses community names and boundaries that usually do not correspond to the townships, and usually only have the same names as the municipalities for the cities and boroughs. The names used by the post office are generally used by residents to describe where they live. The following cities, boroughs and townships are located in Chester County:

City

Boroughs

Townships

Census-designated places

Census-designated places are unincorporated communities designated by the U.S. Census Bureau for the purposes of compiling demographic data. They are not actual jurisdictions under Pennsylvania law.

Other unincorporated communities

Historic community

Population ranking

The population ranking of the following table is based on the 2020 census of Chester County. [40]

county seat

RankCity/Town/etc.Municipal typePopulation (2020 Census)
1West Chester Borough18,671
2 Phoenixville Borough18,602
3 Coatesville City13,350
4 Downingtown Borough7,892
5 Lionville CDP6,582
6 Paoli CDP6,002
7 Kennett Square Borough5,936
8 Oxford Borough5,736
9 Exton CDP5,622
10 Chesterbrook CDP5,610
11 Parkesburg Borough3,862
12 Berwyn CDP3,775
13 Thorndale CDP3,669
14 Spring City Borough3,494
15 Malvern Borough3,419
16 West Grove Borough2,770
17 Eagleview CDP2,193
18 South Pottstown CDP2,150
19 Kenilworth CDP2,148
20 Honey Brook Borough1,892
21 Lincoln University CDP1,739
22 South Coatesville Borough1,601
23 Devon CDP1,580
24 Caln CDP1,494
25 Elverson Borough1,330
26 Atglen Borough1,313
27 Toughkenamon CDP1,297
28 Avondale Borough1,274
29 Pomeroy CDP1,085
30 Westwood CDP1,003
31 Cochranville CDP631
32 Cheyney University (partially in Delaware County)CDP565
33 Modena Borough541

Climate

Chester County has four distinct seasons and has a hot-summer humid continental climate (Dfa) except for some far southern lowlands and areas along the Schuylkill River which have a humid subtropical climate (Cfa). The hardiness zones are 6b and 7a.

Climate data for Honey Brook Twp (Elevation: 728 ft (222 m)) 1981-2010 Averages
MonthJanFebMarAprMayJunJulAugSepOctNovDecYear
Average high °F (°C)37.6
(3.1)
40.4
(4.7)
49.5
(9.7)
60.1
(15.6)
70.8
(21.6)
78.9
(26.1)
82.9
(28.3)
82.3
(27.9)
75.3
(24.1)
64.1
(17.8)
52.3
(11.3)
41.4
(5.2)
61.4
(16.3)
Daily mean °F (°C)29.1
(−1.6)
31.3
(−0.4)
39.2
(4.0)
49.3
(9.6)
59.6
(15.3)
68.1
(20.1)
72.6
(22.6)
71.8
(22.1)
64.7
(18.2)
53.6
(12.0)
43.8
(6.6)
33.9
(1.1)
51.5
(10.8)
Average low °F (°C)20.7
(−6.3)
22.3
(−5.4)
28.9
(−1.7)
38.4
(3.6)
48.4
(9.1)
57.3
(14.1)
62.3
(16.8)
61.3
(16.3)
54.2
(12.3)
43.1
(6.2)
35.2
(1.8)
26.4
(−3.1)
41.6
(5.3)
Average precipitation inches (mm)3.13
(80)
2.73
(69)
3.78
(96)
3.79
(96)
4.08
(104)
4.11
(104)
4.92
(125)
3.64
(92)
4.37
(111)
4.19
(106)
3.73
(95)
3.66
(93)
46.13
(1,172)
Average relative humidity (%)69.967.862.162.264.572.772.673.674.772.672.472.869.8
Average dew point °F (°C)20.5
(−6.4)
21.9
(−5.6)
27.3
(−2.6)
36.9
(2.7)
47.6
(8.7)
59.0
(15.0)
63.3
(17.4)
62.9
(17.2)
56.5
(13.6)
45.0
(7.2)
35.5
(1.9)
26.1
(−3.3)
42.0
(5.6)
Source: PRISM [41]
Climate data for Coatesville, Pennsylvania
MonthJanFebMarAprMayJunJulAugSepOctNovDecYear
Average high °C (°F)3.7
(38.7)
4
(40)
10.2
(50.4)
16.8
(62.2)
22.7
(72.9)
27.4
(81.3)
29.9
(85.8)
28.7
(83.7)
25.4
(77.7)
19.1
(66.3)
11.9
(53.4)
5.3
(41.6)
17.1
(62.8)
Average low °C (°F)−6.2
(20.8)
−6.2
(20.9)
−1.4
(29.4)
3.8
(38.8)
9.5
(49.1)
14.6
(58.3)
17.3
(63.2)
16.3
(61.3)
12.4
(54.3)
5.7
(42.3)
0.4
(32.8)
−4.6
(23.8)
5.1
(41.2)
Average precipitation mm (inches)91
(3.6)
84
(3.3)
97
(3.8)
94
(3.7)
99
(3.9)
110
(4.5)
110
(4.4)
110
(4.5)
94
(3.7)
84
(3.3)
84
(3.3)
97
(3.8)
1,160
(45.8)
Source: Weatherbase [42]
Climate data for London Britain (Elevation: 167 ft (51 m)) 1981-2010 Averages
MonthJanFebMarAprMayJunJulAugSepOctNovDecYear
Average high °F (°C)40.4
(4.7)
43.4
(6.3)
52.2
(11.2)
64.1
(17.8)
73.6
(23.1)
82.5
(28.1)
86.7
(30.4)
85.0
(29.4)
77.9
(25.5)
66.6
(19.2)
55.5
(13.1)
44.3
(6.8)
64.4
(18.0)
Daily mean °F (°C)31.9
(−0.1)
34.5
(1.4)
42.2
(5.7)
52.8
(11.6)
62.4
(16.9)
71.7
(22.1)
76.1
(24.5)
74.6
(23.7)
67.3
(19.6)
55.8
(13.2)
46.0
(7.8)
36.1
(2.3)
54.4
(12.4)
Average low °F (°C)23.5
(−4.7)
25.6
(−3.6)
32.2
(0.1)
41.5
(5.3)
51.3
(10.7)
61.0
(16.1)
65.6
(18.7)
64.2
(17.9)
56.8
(13.8)
44.9
(7.2)
36.4
(2.4)
27.9
(−2.3)
44.3
(6.8)
Average precipitation inches (mm)3.30
(84)
2.79
(71)
4.21
(107)
3.72
(94)
4.18
(106)
4.05
(103)
4.66
(118)
3.66
(93)
4.48
(114)
3.49
(89)
3.50
(89)
3.73
(95)
45.77
(1,163)
Average relative humidity (%)66.863.359.058.662.766.668.169.671.169.367.968.165.9
Average dew point °F (°C)22.1
(−5.5)
23.3
(−4.8)
28.9
(−1.7)
38.7
(3.7)
49.5
(9.7)
60.0
(15.6)
64.8
(18.2)
64.0
(17.8)
57.6
(14.2)
45.9
(7.7)
36.0
(2.2)
26.6
(−3.0)
43.2
(6.2)
Source: PRISM [41]

Public health

Opioid crisis

In both 2018 and 2019, deaths from drug overdoses in Chester County declined. Of the 104 drug overdoses recorded by the coroner, an estimated 77 percent involved the presence of fentanyl. One of the reasons for the decline in overdose deaths was "the saturation across the county of Narcan, the anti-opioid nasal spray that can revive someone suffering an overdose." In 2019, any resident of Chester County could obtain a free Narcan dose at community training events across the county. [43]

Notable people

See also

Related Research Articles

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The Great Valley is a west-to-east valley through the center of Chester County, Pennsylvania, United States. It is also sometimes referred to as Chester Valley, and both names are in use throughout the region. The valley stretches from the Schuylkill River in Montgomery County in the east, southwesterly through Chester and Lancaster counties. The valley is most distinct in central Chester County, although traces of it can be followed almost the entire distance between the Delaware and Susquehanna rivers.

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Coatesville Area School District School district in Chester County, Pennsylvania, U. S.

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Bruce Mowday

Bruce E. Mowday is an author who lives in Chester County, Pennsylvania. He specializes in books about local history, business, sports, and true crime. He is active with the Chester County Historical Society.

The Ches-Mont League is a high school sports league primarily located in Chester County, Pennsylvania in the suburbs of Philadelphia. Currently, the league consists of thirteen high schools, divided into two divisions. Twelve of the schools are from Chester County, with one from Delaware County.

Chester County Library System Library system in southeastern Pennsylvania, United States

The Chester County Library System (CCLS) in Chester County, Pennsylvania is a library system in southeastern Pennsylvania that was organized in 1965. It is a federated system composed of a District Center Library in Exton, Pennsylvania and seventeen member libraries. The system provides materials and information for life, work and pleasure.

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