About Butler County
Butler County is located in south central Kansas. It is the largest county in the state per square mile. The county has a total area of 1,446 square miles, of which 1,428 square miles is land and the remaining 19 is water. Butler County is mostly grass-covered rolling hills with broad river valleys winding through them. Elevations range from 1,625 feet on the east Flint Hills to 1,148 in the Walnut River Valley.
Butler County’s largest community is El Dorado, which is also the county seat. In addition to the county government, Butler County contains 29 townships, 13 cities, 11 rural water districts, 11 watershed districts, 9 unified school districts, 13 fire districts, and 1 community college.