Butler County | |
|---|---|
 Butler County Courthouse in El Dorado (2011) | |
 Location within the U.S. state of Kansas | |
 Kansas's location within the U.S. | |
| Coordinates: 37°47′N 96°50′W / 37.783°N 96.833°W | |
| Country |  United States |
| State |  Kansas |
| Founded | August 25, 1855 |
| Named for | Andrew Pickens Butler |
| Seat | El Dorado |
| Largest city | Andover |
| Area | |
| • Total | 1,447 sq mi (3,750 km2) |
| • Land | 1,430 sq mi (3,700 km2) |
| • Water | 17 sq mi (40 km2) 1.2% |
| Population | |
| • Total | 67,380 |
| • Estimate (2023)[2] | 68,632  |
| • Density | 47.1/sq mi (18.2/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Area code | 316 |
| Congressional district | 4th |
| Website | bucoks.com |
Butler County is a county in the U.S. state of Kansas and is the largest county in the state by total area.[3] Its county seat is El Dorado and its most populous city is Andover.[4] As of the 2020 census, the county population was 67,380.[1] The county was named for Andrew Butler, a U.S. Senator from South Carolina who coauthored the Kansas–Nebraska Act.
- ^ a b "QuickFacts; Butler County, Kansas; Population, Census, 2020 & 2010". United States Census Bureau. Archived from the original on August 15, 2021. Retrieved August 15, 2021.
- ^ "Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2023". United States Census Bureau. Retrieved March 24, 2024.
- ^ "Kansas Land Area County Rank".
- ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.