Butler County, Kansas
Butler County, Kansas | |
|---|---|
Butler County Courthouse in El Dorado (2011) | |
Location within the U.S. state of Kansas | |
| Country | United States |
| State | Kansas |
| Founded | August 25, 1855 |
| Named after | 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 (44 km2) 1.2% |
| Population (2020) | |
• Total | 67,380 |
• Estimate (2023) | 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. Its county seat is El Dorado and its most populous city is Andover. As of the 2020 census, the county population was 67,380. The county was named for Andrew Butler, a U.S. Senator from South Carolina who coauthored the Kansas–Nebraska Act.