Allison, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Allison, Iowa had a total population of 929, the 304th largest city in Iowa, with a median household income of $64,063, which is 15% lower than the state average. The poverty rate is 12.8%.
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 1.7x.
- Near full employment with an unemployment rate of just 0.6%.
Allison Quick Facts
How Allison 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 | 1,028 | 929 | -9.6% |
| Median household income | $64,306 | $64,063 | -0.4% |
| Median home value | $104,600 | $111,500 | +6.6% |
How Allison 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+)
Allison Rankings in Iowa
Explore Iowa Rankings
Other Cities in Butler County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Parkersburg | 1,766 | $75,885 | 4.9% | $196,700 |
| Shell Rock | 1,625 | $78,657 | 5.0% | $163,100 |
| Clarksville | 1,237 | $62,917 | 9.1% | $125,900 |
| Aplington | 1,111 | $74,773 | 4.6% | $147,500 |
| Dumont | 783 | $58,214 | 9.1% | $74,800 |
| New Hartford | 675 | $84,375 | 14.1% | $114,700 |
| Bristow | 197 | $107,542 | 5.1% | $65,000 |
| Aredale | 48 | $27,500 | 31.3% | $63,100 |
Cities Similar to Allison
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Odebolt | 945 | $65,417 | $98,800 | 17.6% | 6.6% |
| Hamburg | 927 | $60,000 | $106,300 | 12.6% | 4.0% |
| Newell | 944 | $66,667 | $122,600 | 19.8% | 2.0% |
| Keota | 891 | $64,188 | $106,600 | 14.8% | 10.4% |
| Hedrick | 913 | $67,500 | $79,600 | 12.7% | 22.3% |
A note before these figures: with a population of 929, Allison'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
Allison is a small community located in Iowa, within Butler County. The total population is 929. It ranks as the 304th most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Allison is 42.3 years. This is 10% higher than the state median of 38.6 years. 12.7% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Allison is $64,063. 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 12.8%. This is 15% higher than the state poverty rate of 11.1%. The unemployment rate is 0.6%. This is 82% lower than the state rate of 3.6%. The median home value is $111,500. Housing costs are 46% lower than the state median of $208,000. With a home-value-to-income ratio of just 1.7x, Allison is one of the most affordable housing markets in the area. 72.2% of occupied housing units are owner-occupied.
Race & Ethnicity
Allison has a predominantly White (non-Hispanic) population, comprising 98.4% of all residents. Asian residents account for 0.7%. The Black or African American population (0.2%) is well below the state average of 3.8%. The Hispanic or Latino population (0.2%) is well below the state average of 7.3%. The Asian population (0.7%) is well below the state average of 2.5%.
Education
15.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 49% 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 94.0%.
Data Sources & Methodology
All demographic data for Allison, 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 Allison, Iowa?
Allison, Iowa has a population of 929 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Allison, IA?
The median household income in Allison is $64,063, which is 21% lower than the national median of $80,734.
What is the poverty rate in Allison, IA?
The poverty rate in Allison is 12.8%. This means approximately 114 residents live below the federal poverty line.
What is the racial makeup of Allison, Iowa?
Allison's population is 98.4% White, 0.2% Black, 0.2% Hispanic/Latino, and 0.7% Asian.
What is the median home value in Allison, IA?
The median home value in Allison is $111,500. The home-value-to-income ratio is 1.7x.
How educated is Allison, Iowa?
15.9% of adults (25+) in Allison hold a bachelor's degree or higher, and 2.8% hold a graduate or professional degree.