Washington County, Pennsylvania
Washington County: county in Pennsylvania, United States
About
Washington County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 207,820 and a population density of 241 people per km². After 10 years in 2020 county had an estimated population of 206,803 inhabitants. Its county seat is Washington. The county was created 245 years ago in 1781.
County Snapshot
Washington County at a glance
Washington County currently has 48 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
48
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Pennsylvania counties
67
Open related pagesLargest city
McMurrayPopulation 66,573
Top linked places
Quick Facts about Washington County
| Population | 206,803 (2020) |
| Country | United States of America |
| State | Pennsylvania (United States) |
| Different from | Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington Parish, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County |
| Area | 861 km2 |
| Water as percent of area | 0.5% |
| Land as percent of area | 99.5% |
| Latitude & Longitude | 40.1894,-80.2482 |
| Named for | George Washington |
| Capital | Washington |
| Establishment | March 28, 1781 |
| Time Zone | America/New_York |
| Local time | 02:01:27 (19th April 2026) |
| Density | 240 Pop. per km² as of 2020 |
| Population growth | -0.49% (2010-2020) |
| Weather | 41℉ Rain Showers Likely 7-days weather |
Washington County Courthouse 'Pennsylvania' south image
Geography
Washington County is located at 40°11'22"N 80°14'54"W (40.1894000, -80.2482400). It has 8 neighbors: Marshall County, Allegheny County, Fayette County, Greene County, Westmoreland County, Brooke County, Hancock County and Ohio County.
Washington County map
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The largest city of Washington County is Canonsburg with a population of 8,751. Other cities include, Maple Glen population 7,635, Donora population 4,546, Monongahela population 4,090 and Charleroi population 3,887. See all Washington County cities & populated places.
Washington County Populated Places (more)
Cities, towns, neighborhoods & other populated places in Washington County.
| City Name | Population | Title |
|---|---|---|
| McMurray | 66,573 | Census-designated place in Peters Township, Washington County, Pennsylvania (USA) |
| South Strabane | 9,449 | Township in Washington County, Pennsylvania |
| Canonsburg | 8,751 | Borough in Washington County, Pennsylvania |
| Maple Glen | 7,635 | City in Pennsylvania, United States of America |
| Donora | 4,546 | Borough in Washington County, Pennsylvania |
| Monongahela | 4,090 | City of Pennsylvania |
| Charleroi | 3,887 | Borough in Pennsylvania, United States |
| Wolfdale | 2,888 | Census designated place |
| Gastonville | 2,818 | Census designated place |
| McGovern | 2,742 | Census designated place |
| Bentleyville | 2,479 | Village in Cuyahoga County, Ohio, United States of America |
| Hickory | 2,373 | Census-designated place in Mount Pleasant Township, Washington County, Pennsylvania, United States |
| Lowhill | 2,360 | Township in Lehigh County, Pennsylvania |
| New Eagle | 2,079 | Borough of Pennsylvania |
| Buffalo | 2,011 | Township in northeastern Perry County, Pennsylvania |
| East Washington | 1,801 | Borough of Pennsylvania |
Weather
41°F
Rain Showers Likely
10 to 14 mph NW
Tonight
Rain showers likely. Cloudy, with a low around 41. Northwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rain...
7-Day ForecastOfficial website of Washington County
Official WebsiteDemographics
According to census records, the population of Washington County decreased by 0.49% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 207,820 | - | census |
| 2011 | 208,059 | 0.11% | estimation process |
| 2012 | 208,296 | 0.11% | estimation process |
| 2013 | 208,046 | -0.12% | estimation process |
| 2014 | 207,963 | -0.04% | estimation process |
| 2015 | 207,718 | -0.12% | estimation process |
| 2016 | 207,386 | -0.16% | estimation process |
| 2017 | 207,075 | -0.15% | estimation process |
| 2018 | 207,018 | -0.03% | estimation process |
| 2019 | 206,865 | -0.07% | estimation process |
| 2020 | 206,803 | -0.03% | estimation process |
Comitatul Washington, Comte de Washington, Comté de Washington, Condado de Washington, Condado han Washington, Contae Washington, Contea di Washington, Hrabstwo Washington, Konteth Washington, Okrug Vashington, Quan Washington, Quận Washington, Vashington, Vasington srjan, Washington, Washington Comitatus, Washington Kun, Washington Kūn, Washington konderria, Washington megye, Washingtoni maakond, hua sheng dun xian, raasintana ka'unti, shhrstan washyngtn pnsylwanya, washinton jun, Вашингтон, Округ Вашингтон, Վաշինգտոն շրջան, شهرستان واشینگتن، پنسیلوانیا, مقاطعة واشنطن, واشنگٹن کاؤنٹی، پنسلوانیا, ৱাশিংটন কাউন্টি, ワシントン郡, 華盛頓縣
People born in Washington County (38)
People born in Washington County, including politician Isaac Leffler, television producer and screenwriter Donald Bellisario, politician Christopher Rankin, .
More notable people
- Hiram Price (American politician (1814-1901)) he was born in 10/01/1814
- James Craig (American lawyer and politician from Missouri (1818-1888)) he was born in 28/02/1818
- John Alexander Anderson (American politician (1834-1892)) he was born in 26/06/1834
- Shepherd Leffler (American politician) he was born in 24/04/1811
- William Henry Mills Pusey (American politician) he was born in 29/07/1826
- Andrew Wylie (college president) he was born in 12/04/1789
- George D. Archibald (Presbyterian minister, author, and academic) he was born in 15/02/1820
- George Van Eman Lawrence (American politician) he was born in 13/11/1818
- George W. McIlvaine (Ohio Jurist) he was born in 14/07/1822
- George W. Morgan (Union Army general, politician) he was born in 20/09/1820
- John H. Mitchell (American politician) he was born in 22/06/1835
- James Blackmore (American politician) he was born in 02/02/1821
- James S. Cunningham (Recipient of the Medal of Honor) he was born in 01/01/1840
- John Byers Anderson (Union Army officer) he was born in 22/11/1817
- Myron Pottios (American football player) he was born in 18/01/1939
- Nelson H. Van Vorhes (Union Army officer, politician) he was born in 23/01/1822
- Noah C. McFarland (American politician) he was born in 23/04/1822
- Robert H. Nugen (American politician) he was born in 16/07/1809
Other places with the same name (29)
- Washington County, Oregon county in Oregon, United States with a population of 603,514 people.
- Washington County, Minnesota county in Minnesota, United States with a population of 265,476 people.
- Washington County, Arkansas county in Arkansas, United States with a population of 243,216 people.
- Washington County, Utah county in southwestern Utah, United States with a population of 184,913 people.
- Washington County, Maryland county in Maryland, United States with a population of 151,146 people.
- Washington County, Wisconsin county in Wisconsin, United States with a population of 136,445 people.
- Washington County, Tennessee county in Tennessee, United States with a population of 130,367 people.
- Washington County, Rhode Island county in Rhode Island, United States with a population of 125,746 people.
- Washington County, New York county in New York, United States with a population of 60,606 people.
- Washington County, Ohio county in Ohio, United States with a population of 59,652 people.
- Washington County, Vermont county in Vermont, United States with a population of 58,328 people.
- Washington County, Virginia county in Virginia, United States with a population of 53,695 people.
- Washington County, Oklahoma county in Oklahoma, United States with a population of 52,222 people.
- Washington County, Mississippi county in Mississippi, United States with a population of 42,837 people.
- Washington County, Texas county in Texas, United States with a population of 35,771 people.
- Washington County, Maine county in Maine, United States with a population of 31,473 people.
- Washington County, Indiana county in Indiana, United States with a population of 28,213 people.
- Washington County, Florida county in Florida, United States with a population of 25,932 people.
- Washington County, Missouri county in Missouri, United States with a population of 24,604 people.
- Washington County, Iowa county in Iowa, United States with a population of 21,992 people.
- Washington County, Nebraska county in Nebraska, United States with a population of 20,901 people.
- Washington County, Georgia county in Georgia, United States with a population of 20,150 people.
- Washington County, Alabama county in Alabama, United States with a population of 15,976 people.
- Washington County, Illinois county in Illinois, United States with a population of 13,764 people.
- Washington County, Kentucky county in Kentucky, United States with a population of 12,147 people.
- Washington County, North Carolina county in North Carolina, United States with a population of 11,485 people.
- Washington County, Idaho county in Idaho, United States with a population of 10,194 people.
- Washington County, Kansas county in Kansas, United States with a population of 5,427 people.
- Washington County, Colorado county in Colorado, United States with a population of 4,875 people.
Pennsylvania Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Philadelphia County | 1,578,487 | County in Pennsylvania, United States |
| Philadelphia | 1,578,487 | The sixth most populous city in the United States and the center of the Philadelphia metropolitan area. |
| Allegheny County | 1,211,358 | County in the southwestern part of the U. |
| Montgomery County | 833,869 | County in Pennsylvania, United States |
| Bucks County | 627,987 | County in Pennsylvania, United States |
| Delaware County | 566,753 | County in Pennsylvania, United States |
| Lancaster County | 546,192 | County in Pennsylvania, United States |
| Chester County | 526,759 | County in Pennsylvania, United States |
| York County | 450,448 | County in Maine, United States |
| Berks County | 421,017 | County in Pennsylvania, United States |
| Lehigh County | 370,802 | County in Pennsylvania, United States of America |
| Westmoreland County | 347,087 | County in Pennsylvania, United States |
| Luzerne County | 316,982 | County in Pennsylvania, United States |
| Northampton County | 305,892 | County in Pennsylvania, United States |
| Pittsburgh | 299,226 | The second most populous city in Pennsylvania and the center of the Pittsburgh metropolitan area. |
| Dauphin County | 279,874 | County in Pennsylvania, United States |