Colwell, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Colwell, Iowa had a total population of 38, the 966th largest city in Iowa. The poverty rate is 0.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 6.3% of adults have a bachelor's degree, well below the national average of 35.7%.
Colwell Quick Facts
How Colwell 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 | 56 | 38 | -32.1% |
| Median home value | $103,100 | $101,400 | -1.6% |
How Colwell 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+)
Colwell Rankings in Iowa
Explore Iowa Rankings
Other Cities in Floyd County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Charles City | 7,232 | $59,180 | 13.3% | $115,400 |
| Nashua | 1,622 | $66,597 | 7.3% | $129,600 |
| Greene | 1,339 | $56,335 | 17.3% | $120,700 |
| Rockford | 839 | $65,428 | 10.8% | $94,600 |
| Rudd | 481 | $75,833 | 12.7% | $111,600 |
| Floyd | 315 | $63,393 | 6.3% | $107,700 |
| Marble Rock | 191 | $65,625 | 6.3% | $76,000 |
| Roseville | 12 | N/A | 0.0% | N/A |
Cities Similar to Colwell
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Plano | 39 | $63,750 | $93,300 | 5.6% | 2.6% |
| Rodney | 39 | $51,563 | $170,800 | 13.8% | 10.3% |
| Spring Hill | 39 | $86,250 | N/A | 28.1% | 7.7% |
| Anderson | 37 | N/A | N/A | 19.4% | 0.0% |
| Gillett Grove | 40 | N/A | $61,000 | 38.5% | 2.5% |
A note before these figures: with a population of 38, Colwell'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
Colwell is a small community located in Iowa, within Floyd County. The total population is 38. It ranks as the 966th most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Colwell is 42.5 years. This is 10% higher than the state median of 38.6 years. Only 10.5% of residents are under 18, indicating fewer families with children. 15.8% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The ACS records no residents below the poverty line in Colwell. In a community this small the estimate rests on very few survey responses, so it should be read as an absence of measurement rather than a measured absence of poverty. The survey records no unemployed residents in Colwell, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $101,400. Housing costs are 51% lower than the state median of $208,000. 90.5% of occupied housing units are owner-occupied. This homeownership rate is 26% higher than the state average of 71.7%.
Race & Ethnicity
Colwell has a predominantly White (non-Hispanic) population, comprising 94.7% of all residents.
Education
6.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 80% 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 90.6%.
Data Sources & Methodology
All demographic data for Colwell, 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 Colwell, Iowa?
Colwell, Iowa has a population of 38 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Colwell, IA?
The Census Bureau does not publish a reliable median household income estimate for Colwell — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in Colwell, IA?
The ACS sample for Colwell recorded no residents below the federal poverty line. Because the community is small, this indicates that the survey did not capture poverty here rather than that no poverty exists — the estimate carries a wide margin of error.
What is the racial makeup of Colwell, Iowa?
Colwell's population is 94.7% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Colwell, IA?
The median home value in Colwell is $101,400.
How educated is Colwell, Iowa?
6.3% of adults (25+) in Colwell hold a bachelor's degree or higher, and 3.1% hold a graduate or professional degree.