Clarke County, Iowa

Clarke County, Iowa
Location within the U.S. state of Iowa
Coordinates: 41°01′22″N 93°47′11″W / 41.022777777778°N 93.786388888889°W / 41.022777777778; -93.786388888889
Country United States
State Iowa
FoundedJanuary 13, 1846
Named afterJames Clarke
SeatOsceola
Largest cityOsceola
Area
 • Total
432 sq mi (1,120 km2)
 • Land431 sq mi (1,120 km2)
 • Water0.6 sq mi (1.6 km2)  0.1%
Population
 (2020)
 • Total
9,748
 • Estimate 
(2024)
9,524
 • Density22.6/sq mi (8.73/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district2nd
Websiteclarkecounty.iowa.gov
  • Iowa county number 20

Clarke County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 9,748. The county seat is Osceola. The county was formed in January 1846, one of twelve counties established by legislative action in a comprehensive act. It was named for James Clarke, a Governor of the Iowa Territory.