Hancock County, Iowa

Hancock County
Visitor kiosk at the 148 wind turbine farm
Location within the U.S. state of Iowa
Iowa's location within the U.S.
Coordinates: 43°05′00″N 93°44′11″W / 43.083333333333°N 93.736388888889°W / 43.083333333333; -93.736388888889
Country United States
State Iowa
Founded1851
Named afterJohn Hancock
SeatGarner
Largest cityGarner
Area
  Total
573 sq mi (1,480 km2)
  Land571 sq mi (1,480 km2)
  Water2.0 sq mi (5 km2)  0.4%
Population
 (2020)
  Total
10,795
  Estimate 
(2023)
10,615
  Density19/sq mi (7.3/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district4th
Websitehancockcountyia.gov

Hancock County is a county in the U.S. state of Iowa. As of the 2020 census, the population was 10,795. The county seat is Garner. The county was founded on January 15, 1851, and named in honor of John Hancock, a leader of the Continental Congress during the American Revolution.