Hamilton County, Iowa

Hamilton County
Hamilton County
County
	Hamilton County Courthouse
	Location within the U.S. state of Iowa
	Iowa's location within the U.S.
	Coordinates: 42°22′55″N 93°42′39″W / 42.381944444444°N 93.710833333333°W
Country	United States
State	Iowa
Founded	1856
Named for	William W. Hamilton
Seat	Webster City
Largest city	Webster City
Area
• Total	578 sq mi (1,500 km2)
• Land	577 sq mi (1,490 km2)
• Water	0.8 sq mi (2 km2) 0.1%
Population (2020)
• Total	15,039
• Estimate (2023)	14,729
• Density	26/sq mi (10/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	4th
Website	www.hamiltoncounty.iowa.gov

Hamilton County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 15,039.^[1] The county seat is Webster City.^[2] The county was named to honor William W. Hamilton, a President of the Iowa State Senate.^[3]

^ "2020 Census State Redistricting Data". census.gov. United states Census Bureau. Retrieved August 12, 2021.
^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 148.