Butler County, Kansas

Butler County
Butler County Courthouse in El Dorado (2011)
Map of Kansas highlighting Butler County
Location within the U.S. state of Kansas
Map of the United States highlighting Kansas
Kansas's location within the U.S.
Coordinates: 37°47′N 96°50′W / 37.783°N 96.833°W / 37.783; -96.833
Country United States
State Kansas
FoundedAugust 25, 1855
Named forAndrew Pickens Butler
SeatEl Dorado
Largest cityAndover
Area
 • Total1,447 sq mi (3,750 km2)
 • Land1,430 sq mi (3,700 km2)
 • Water17 sq mi (40 km2)  1.2%
Population
 • Total67,380
 • Estimate 
(2023)[2]
68,632 Increase
 • Density47.1/sq mi (18.2/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Area code316
Congressional district4th
Websitebucoks.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.

  1. ^ 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.
  2. ^ "Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2023". United States Census Bureau. Retrieved March 24, 2024.
  3. ^ "Kansas Land Area County Rank".
  4. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.