Hancock County, Iowa

Hancock County, Iowa
Visitor kiosk at the 148 wind turbine farm
Location within the U.S. state of Iowa
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 (5.2 km2)  0.4%
Population
 (2020)
 • Total
10,795
 • Estimate 
(2024)
10,616
 • Density18.9/sq mi (7.30/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district4th
Websitehancockcountyia.gov
  • Iowa county number 41

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.