County
· Iowa
Hamilton County
Hamilton County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 15,039, and was estimated to be 14,944 in 2025. The county seat and the largest city is Webster City. The county was named to honor William W. Hamilton, a President of the Iowa State Senate.
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Cities and towns 9
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 126543
- FIPS state
- 19
- FIPS county
- 079
- FIPS place
- 99079
- Census record name
- COUNTY OF HAMILTON
- Mailing address
- 2300 SUPERIOR ST, WEBSTER CITY 50595