Colo, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Colo, Iowa had a total population of 686, the 395th largest city in Iowa, with a median household income of $64,000, which is 15% lower than the state average. The poverty rate is 6.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 2.4x.
Colo Quick Facts
How Colo 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 | 751 | 686 | -8.7% |
| Median household income | $73,125 | $64,000 | -12.5% |
| Median home value | $147,400 | $152,000 | +3.1% |
How Colo 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+)
Colo Rankings in Iowa
Explore Iowa Rankings
Other Cities in Story County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Ames | 67,669 | $60,991 | 25.4% | $277,400 |
| Nevada | 6,983 | $75,094 | 9.9% | $182,400 |
| Huxley | 4,544 | $112,094 | 4.5% | $297,100 |
| Story City | 3,398 | $96,605 | 12.6% | $215,600 |
| Roland | 1,559 | $79,028 | 1.1% | $185,900 |
| Slater | 1,401 | $97,500 | 3.8% | $232,800 |
| Gilbert | 1,381 | $122,656 | 3.4% | $274,600 |
| Maxwell | 905 | $97,639 | 4.1% | $184,600 |
| Cambridge | 803 | $57,333 | 11.2% | $178,100 |
| Zearing | 566 | $74,167 | 15.4% | $158,800 |
Cities Similar to Colo
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Wellsburg | 673 | $64,375 | $118,500 | 18.7% | 4.5% |
| Latimer | 681 | $61,042 | $110,800 | 20.1% | 19.5% |
| Keystone | 674 | $67,500 | $148,400 | 22.3% | 10.6% |
| Dayton | 689 | $57,500 | $114,800 | 20.5% | 9.8% |
| Washburn | 714 | $61,406 | $142,300 | 25.7% | 2.7% |
A note before these figures: with a population of 686, Colo'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
Colo is a small community located in Iowa, within Story County. The total population is 686. It ranks as the 395th most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Colo is 42.2 years. This is 9% higher than the state median of 38.6 years.
Economy, Income & Housing
The median household income in Colo is $64,000. 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 6.4%. This is 42% lower than the state poverty rate of 11.1%. The unemployment rate is 5.6%. This is 55% higher than the state rate of 3.6%. The median home value is $152,000. Housing costs are 27% lower than the state median of $208,000. With a home-value-to-income ratio of just 2.4x, Colo is one of the most affordable housing markets in the area. 83.3% of occupied housing units are owner-occupied. This homeownership rate is 16% higher than the state average of 71.7%.
Race & Ethnicity
Colo has a predominantly White (non-Hispanic) population, comprising 91.8% of all residents. Hispanic or Latino residents account for 4.8%. The Asian population (1.0%) is well below the state average of 2.5%.
Education
19.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 40% 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 95.6%.
Data Sources & Methodology
All demographic data for Colo, 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 Colo, Iowa?
Colo, Iowa has a population of 686 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Colo, IA?
The median household income in Colo is $64,000, which is 21% lower than the national median of $80,734.
What is the poverty rate in Colo, IA?
The poverty rate in Colo is 6.4%. This means approximately 44 residents live below the federal poverty line.
What is the racial makeup of Colo, Iowa?
Colo's population is 91.8% White, 0.0% Black, 4.8% Hispanic/Latino, and 1.0% Asian.
What is the median home value in Colo, IA?
The median home value in Colo is $152,000. The home-value-to-income ratio is 2.4x.
How educated is Colo, Iowa?
19.0% of adults (25+) in Colo hold a bachelor's degree or higher, and 4.2% hold a graduate or professional degree.