Anderson County, Kansas

Anderson County, Kansas
Anderson County Courthouse in Garnett (2016)
Location within the U.S. state of Kansas
Country United States
State Kansas
FoundedAugust 25, 1855
Named afterJoseph C. Anderson
SeatGarnett
Largest cityGarnett
Area
 • Total
584 sq mi (1,510 km2)
 • Land580 sq mi (1,500 km2)
 • Water7.1 sq mi (18 km2)  0.7%
Population
 (2020)
 • Total
7,836
 • Estimate 
(1023)
7,838
 • Density14/sq mi (5.2/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Area code785
Congressional district3rd
WebsiteAndersonCountyKS.org

Anderson County is a county located in East Central Kansas, in the Central United States. Its county seat and most populous city is Garnett. As of the 2020 census, the county population was 7,836. The county was named for Joseph C. Anderson, a Kansas territorial legislator and border ruffian during the "Bleeding Kansas" era.