Hamilton, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Hamilton, Iowa had a total population of 107, the 852nd largest city in Iowa, with a median household income of $63,750, which is 15% lower than the state average. The poverty rate is 19.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 9.5% of adults have a bachelor's degree, well below the national average of 35.7%.
- Housing is very affordable with a home-value-to-income ratio of just 1.1x.
- Unemployment rate of 11.4% is notably above the national average.
Hamilton Quick Facts
How Hamilton Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 87 | 107 | +23.0% |
| Median household income | $70,000 | $63,750 | -8.9% |
How Hamilton Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 31 | National average: 61
Education
Educational Attainment (Adults 25+)
Hamilton Rankings in Iowa
Explore Iowa Rankings
Other Cities in Marion County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Pella | 10,720 | $84,111 | 5.9% | $292,700 |
| Knoxville | 7,473 | $61,599 | 12.5% | $160,300 |
| Pleasantville | 1,899 | $67,614 | 4.1% | $168,300 |
| Melcher-Dallas | 1,176 | $58,611 | 13.6% | $99,800 |
| Bussey | 414 | $43,125 | 15.0% | $79,000 |
| Harvey | 174 | $52,250 | 9.2% | $77,500 |
| Marysville | 70 | N/A | 4.3% | $205,000 |
| Swan | 55 | N/A | 10.9% | N/A |
Cities Similar to Hamilton
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Clemons | 108 | N/A | $96,400 | 13.9% | 0.9% |
| Mineola | 110 | N/A | N/A | 100.0% | 0.0% |
| Bradgate | 104 | N/A | $43,100 | 8.7% | 13.5% |
| Searsboro | 109 | $66,250 | $104,200 | 7.1% | 17.4% |
| Dawson | 102 | $65,313 | $92,500 | 9.9% | 3.9% |
A note before these figures: with a population of 107, Hamilton's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Hamilton is a small community located in Iowa, within Marion County. The total population is 107. It ranks as the 852nd most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Hamilton is 37.6 years. This is 3% lower than the state median of 38.6 years. With 41.1% of the population under 18, Hamilton has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Hamilton is $63,750. This is 15% lower than the state median of $75,059. It is also 21% lower than the national median of $80,734. The poverty rate stands at 19.6%. This is 77% higher than the state poverty rate of 11.1%. The unemployment rate is 11.4%. This is 217% higher than the state rate of 3.6%. The median home value is $70,000. Housing costs are 66% lower than the state median of $208,000. With a home-value-to-income ratio of just 1.1x, Hamilton is one of the most affordable housing markets in the area. 80.0% of occupied housing units are owner-occupied. This homeownership rate is 12% higher than the state average of 71.7%.
Race & Ethnicity
Hamilton has a predominantly White (non-Hispanic) population, comprising 96.3% of all residents.
Education
9.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 70% lower than the state rate of 31.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.7%.
Data Sources & Methodology
All demographic data for Hamilton, Iowa is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Iowa state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,017 Census-designated places in Iowa. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Hamilton, Iowa?
Hamilton, Iowa has a population of 107 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Hamilton, IA?
The median household income in Hamilton is $63,750, which is 21% lower than the national median of $80,734.
What is the poverty rate in Hamilton, IA?
The poverty rate in Hamilton is 19.6%. This means approximately 21 residents live below the federal poverty line.
What is the racial makeup of Hamilton, Iowa?
Hamilton's population is 96.3% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Hamilton, IA?
The median home value in Hamilton is $70,000. The home-value-to-income ratio is 1.1x.
How educated is Hamilton, Iowa?
9.5% of adults (25+) in Hamilton hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.