Winnebago County, Iowa

Winnebago County, Iowa
The Winnebago County Courthouse in Forest City
Location within the U.S. state of Iowa
Coordinates: 43°22′44″N 93°43′55″W / 43.378888888889°N 93.731944444444°W / 43.378888888889; -93.731944444444
Country United States
State Iowa
Founded1847
Named afterWinnebago tribe
SeatForest City
Largest cityForest City
Area
 • Total
402 sq mi (1,040 km2)
 • Land400 sq mi (1,000 km2)
 • Water3.3 sq mi (8.5 km2)  0.3%
Population
 (2020)
 • Total
10,679
 • Estimate 
(2024)
10,383
 • Density27/sq mi (10/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district4th
Websitewww.winnebagocountyiowa.gov
  • Iowa county number 95

Winnebago County is a county in the U.S. state of Iowa. As of the 2020 census, the population was 10,679. The county seat is Forest City. The county was founded in 1847 and named after the Native American tribe. It is the location of the motor homes manufacturer Winnebago Industries.