Hamilton city, Iowa
Official LSAD Designation: Hamilton city • Census GEOID: 1933870
• Marion County
Hamilton city is an incorporated city in Marion County, Iowa. According to official records from the Census (2025), Hamilton city had an estimated population of 124 residents. Official Census Bureau geographic records classify this community under LSAD designation Hamilton city (GEOID 1933870).
Local Government Administration U.S. Census Bureau GMAF
City Of Hamilton
Municipal
Official Title:
City Clerk
Address:
PO BOX 145, HAMILTON IA 50116-0145
County Of Marion
County
Official Title:
Marion County Auditor
Address:
214 E MAIN ST, KNOXVILLE IA 50138-2545
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 124 | 2025 |
| Median Household Income | $63,750 | 2020-2024 |
| Median Home Value | $70,000 | 2020-2024 |
| Land Area | 0.51 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).