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Hamilton, IA
City in Marion County, Iowa.
Population
107
Land area
0.5sq mi
People per sq mi
211
ZIP codes
0
Hamilton and its ZIP codes
Hamilton at a glance
- Hamilton is about 3.7 times as dense as Iowa as a whole.
Economy and federal money
Jobs, pay, income and spending are for Marion County. PPP loans are for Hamilton.
Unemployment rate
2.7%
Aug 2026, -0.2 pts in a year
Average annual pay
$66,183
19,508 jobs, 2025
Income per person
$66,929
BEA, 2024
Federal spending
$214M
FY 2026, $6,412 per person
Environment and hazard risk
Hamilton, IA, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
852
Countywide, mostly thunderstorm wind
Flood insurance policies
9
0.1% of homes, county
July high / Jan low
84° / 13°F
36.5 inches of rain a year
Health statistics
Share of adults in Hamilton, IA, CDC PLACES estimates
Obesity
43.9%
U.S. 33.3% +10.6 pts
Diabetes
11.3%
U.S. 12.1% -0.8 pts
Smoking
19.2%
U.S. 12.8% +6.4 pts
Uninsured (18-64)
6.9%
U.S. 11.1% -4.2 pts
Cities near Hamilton
| Name | Distance | Land area (sq mi) |
|---|---|---|
| BusseyCity | 2.6 mi | 0.3 |
| MarysvilleCity | 2.7 mi | 0.5 |
| LoviliaCity | 2.7 mi | 0.5 |
| HarveyCity | 10 mi | 0.7 |
| AlbiaCity | 12 mi | 3.3 |
| LeightonCity | 13 mi | 0.1 |
| BeaconCity | 14 mi | 0.8 |
| EddyvilleCity | 14 mi | 1.1 |
| KnoxvilleCity | 14 mi | 4.6 |
| MelroseCity | 15 mi | 1 |
| OskaloosaCity | 16 mi | 8.1 |
| PellaCity | 16 mi | 9.3 |
| University ParkCity | 17 mi | 0.8 |
| Melcher-DallasCity | 18 mi | 1 |
| WilliamsonCity | 19 mi | 0.4 |
| MoraviaCity | 20 mi | 1.2 |
Frequently asked questions
- What county is Hamilton, IA in?
- Hamilton is in Marion County, Iowa.
- What is the population of Hamilton, IA?
- About 107 people live in Hamilton, based on American Community Survey 5-year estimates.
- What cities are near Hamilton?
- Nearby places include Bussey (2.6 mi), Marysville (2.7 mi), Lovilia (2.7 mi), Harvey (10 mi), Albia (12 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023