Butler County, Pennsylvania
Butler County: county in Pennsylvania, United States of America
About
Butler County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 183,862 and a population density of 89 people per km². After 10 years in 2020 county had an estimated population of 189,135 inhabitants. Its county seat is Butler. The county was created 226 years ago in 1800.
County Snapshot
Butler County at a glance
Butler County currently has 31 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
31
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
FernwayPopulation 12,414
Top linked places
Quick Facts about Butler County
| Population | 189,135 (2020) |
| Country | United States of America |
| State | Pennsylvania (United States) |
| Different from | Butler County, Butler County, Butler County, Butler County, Butler County, Butler County, Butler County |
| Area | 2058 km2 |
| Official name | Butler County |
| Water as percent of area | 0.8% |
| Land as percent of area | 99.2% |
| Latitude & Longitude | 40.9117,-79.9130 |
| Named for | Richard Butler |
| Capital | Butler |
| Establishment | March 12, 1800 |
| Time Zone | America/New_York |
| Local time | 06:25:23 (19th April 2026) |
| Density | 92 Pop. per km² as of 2020 |
| Population growth | 2.79% (2010-2020) |
| Weather | 38℉ Rain Showers Likely 7-days weather |
Geography
Butler County is located at 40°54'42"N 79°54'47"W (40.9117200, -79.9129900). It has 6 neighbors: Allegheny County, Armstrong County, Clarion County, Mercer County, Venango County and Westmoreland County.
Butler County map
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The largest city of Butler County is Butler with a population of 4,734. Other cities include, Zelienople population 3,623, Slippery Rock population 3,508, Seven Fields population 2,740 and Evans City population 1,711. See all Butler County cities & populated places.
Butler County Populated Places (more)
Cities, towns, neighborhoods & other populated places in Butler County.
| City Name | Population | Title |
|---|---|---|
| Fernway | 12,414 | Census designated place |
| Butler | 4,734 | City in Pennsylvania, United States |
| Zelienople | 3,623 | Borough of Pennsylvania |
| Slippery Rock | 3,508 | Borough in Butler County, Pennsylvania, United States |
| Fox Run | 3,282 | Census designated place |
| Seven Fields | 2,740 | Borough of Pennsylvania |
| Meadowood | 2,693 | Census designated place |
| Muddy Creek | 2,154 | Township in Butler County, Pennsylvania |
| Evans City | 1,711 | Borough of Pennsylvania |
| Mars | 1,608 | Borough in Butler County, Pennsylvania, USA |
| Saxonburg | 1,425 | Borough in Pennsylvania, USA |
| Valencia | 1,360 | Borough in Butler County, Pennsylvania, United States |
| Prospect | 1,135 | Township in Butler County, Kansas |
| Oneida | 1,041 | Census designated place in Pennsylvania, USA |
| McCalmont | 1,029 | Township in Jefferson County, Pennsylvania |
| Chicora | 956 | Borough of Pennsylvania |
Weather
Rain showers likely. Cloudy, with a low around 38. Northwest wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainf...
7-Day ForecastOfficial website of Butler County
Official WebsiteDemographics
The population of Butler County increased by 2.79% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 183,862 | - | census |
| 2011 | 184,687 | 0.45% | estimation process |
| 2012 | 184,929 | 0.13% | estimation process |
| 2013 | 185,103 | 0.09% | estimation process |
| 2014 | 185,778 | 0.36% | estimation process |
| 2015 | 185,936 | 0.08% | estimation process |
| 2016 | 186,240 | 0.16% | estimation process |
| 2017 | 186,828 | 0.31% | estimation process |
| 2018 | 187,638 | 0.43% | estimation process |
| 2019 | 187,853 | 0.11% | estimation process |
| 2020 | 189,135 | 0.68% | estimation process |
People born in Butler County (16)
People born in Butler County, including civil engineer Washington Roebling, politician and jurist from Pennsylvania James Thompson, mayor and businessman Christian H. Buhl, .
More notable people
- Donald Oesterling (American politician) he was born in 02/06/1927
- Edmund C. Carns (American politician) he was born in 19/02/1844
- Frederick Buhl (American mayor) he was born in 27/11/1806
- Marah Ellis Ryan (American writer, actress (1860-1934)) she was born in 27/02/1860
- Ralph E. Campbell (United States federal judge) he was born in 09/05/1867
- Robert W. Lyon (mayor of Pittsburgh and Union Army soldier) he was born in 22/05/1842
- James M. Burd (American politician) he was born in 31/03/1931
- Ellis Morrison (American politician) he was born in 20/05/1850
- George N. Ifft he was born in 27/01/1865
- N. Kerr Thompson (American football coach) he was born in 18/11/1888
- Ella Hamilton Durley (American educator, newspaper editor, journalist) she was born in 01/01/1852
- Shorty Ransom (American football coach and college athletics administrator) he was born in 01/01/1895
- Charles Hines (director) (American director (1892-1936)) he was born in 14/02/1892
Other places with the same name (7)
- Butler County, Ohio county in Ohio, United States of America with a population of 385,648 people.
- Butler County, Kansas county in Kansas, United States of America with a population of 66,992 people.
- Butler County, Missouri county in Missouri, United States of America with a population of 42,178 people.
- Butler County, Alabama county in Alabama, United States of America with a population of 19,504 people.
- Butler County, Iowa county in Iowa, United States of America with a population of 14,333 people.
- Butler County, Kentucky county in Kentucky, United States of America with a population of 12,703 people.
- Butler County, Nebraska county in Nebraska, United States of America with a population of 7,960 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 |