About Butler County
K-State Research and Extension is a short name for the Kansas Agricultural Experiment Station and Cooperative Extension Service. We are a partnership between Kansas State University and federal, state, and county government, with offices in every Kansas county.
Butler County is located in south central Kansas. It is geographically the largest county in the state. 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.