Butler County, Pennsylvania

Butler County
Butler County Courthouse in Butler, Pennsylvania
Flag of Butler County
Official seal of Butler County
Map of Pennsylvania highlighting Butler County
Location within the U.S. state of Pennsylvania
Map of the United States highlighting Pennsylvania
Pennsylvania's location within the U.S.
Coordinates: 40°55′N 79°55′W / 40.91°N 79.91°W / 40.91; -79.91
Country United States
State Pennsylvania
FoundedMarch 12, 1800
Named forRichard Butler
SeatButler
Largest townshipCranberry Township
Area
 • Total795 sq mi (2,060 km2)
 • Land789 sq mi (2,040 km2)
 • Water6.1 sq mi (16 km2)  0.8%
Population
 (2020)
 • Total193,763
 • Density246/sq mi (95/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district16th
Websitewww.co.butler.pa.us
DesignatedJune 11, 1982[1]

Butler County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 193,763.[2] Its county seat is Butler.[3] Butler County was created on March 12, 1800, from part of Allegheny County and named in honor of General Richard Butler, a hero of the American Revolution. The county is part of the Greater Pittsburgh region of the state.[a]

  1. ^ "PHMC Historical Markers Search". Pennsylvania Historical and Museum Commission. Commonwealth of Pennsylvania. Archived from the original (Searchable database) on March 21, 2016. Retrieved January 25, 2014.
  2. ^ "Census - Geography Profile: Butler County, Pennsylvania". United States Census Bureau. Retrieved April 24, 2022.
  3. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.


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