Monona County, Iowa

Monona County
Location within the U.S. state of Iowa
Iowa's location within the U.S.
Coordinates: 42°02′50″N 95°58′07″W / 42.047222222222°N 95.968611111111°W / 42.047222222222; -95.968611111111
Country United States
State Iowa
Founded1851
SeatOnawa
Largest cityOnawa
Area
  Total
699 sq mi (1,810 km2)
  Land694 sq mi (1,800 km2)
  Water4.9 sq mi (13 km2)  0.7%
Population
 (2020)
  Total
8,751
  Density13/sq mi (4.8/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district4th
Websitewww.mononacounty.org

Monona County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 8,751. The county seat is Onawa.