Butler County, Iowa

Butler County
Location within the U.S. state of Iowa
Iowa's location within the U.S.
Coordinates: 42°43′54″N 92°47′29″W / 42.731666666667°N 92.791388888889°W / 42.731666666667; -92.791388888889
Country United States
State Iowa
Founded1851
Named afterWilliam Orlando Butler
SeatAllison
Largest cityParkersburg
Area
  Total
582 sq mi (1,510 km2)
  Land580 sq mi (1,500 km2)
  Water1.6 sq mi (4 km2)  0.3%
Population
 (2020)
  Total
14,334
  Density25/sq mi (9.5/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district2nd
Websitebutlercounty.iowa.gov

Butler County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 14,334. Its county seat is Allison. The county was organized in 1854 and named for General William O. Butler.