Unionville, Iowa Demographics & Population 2026
During the 2020–2024 ACS period, Unionville, Iowa had a total population of 78, the 890th largest city in Iowa, with a median household income of $82,813, which is 10% higher than the state average. The poverty rate is 5.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 7.7% 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.
Unionville Quick Facts
How Unionville 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 | 86 | 78 | -9.3% |
| Median home value | $84,000 | $95,000 | +13.1% |
How Unionville 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+)
Unionville Rankings in Iowa
Explore Iowa Rankings
Other Cities in Appanoose County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Centerville | 5,372 | $46,563 | 21.3% | $103,000 |
| Moravia | 624 | $49,286 | 10.3% | $121,700 |
| Moulton | 498 | $66,250 | 15.9% | $81,800 |
| Cincinnati | 229 | $45,625 | 23.6% | $56,400 |
| Mystic | 216 | $41,000 | 17.1% | $57,500 |
| Exline | 73 | $43,750 | 12.3% | $85,600 |
| Numa | 58 | $63,125 | 12.1% | N/A |
| Plano | 39 | $63,750 | 2.6% | $93,300 |
| Rathbun | 30 | $71,875 | 6.7% | $151,800 |
| Udell | 13 | $90,000 | 23.1% | $55,000 |
Cities Similar to Unionville
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Wiota | 78 | $78,077 | $121,900 | 6.6% | 6.4% |
| Trenton | 75 | N/A | N/A | 0.0% | 0.0% |
| Zwingle | 76 | $78,750 | $175,000 | 1.8% | 38.2% |
| Leando | 74 | N/A | N/A | N/A | 13.5% |
| Knierim | 76 | $89,000 | $112,500 | 54.4% | 6.6% |
A note before these figures: with a population of 78, Unionville'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
Unionville is a small community located in Iowa, within Appanoose County. The total population is 78. It ranks as the 890th most populous out of 1,017 Census-designated places in Iowa.
Age Demographics
The median age in Unionville is 65.2 years. This is 69% higher than the state median of 38.6 years. 15.4% 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 Unionville is $82,813. This is 10% higher than the state median of $75,059. It is also 3% higher than the national median of $80,734. The poverty rate stands at 5.1%. This is 54% lower than the state poverty rate of 11.1%. The survey records no unemployed residents in Unionville, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $95,000. Housing costs are 54% lower than the state median of $208,000. With a home-value-to-income ratio of just 1.1x, Unionville is one of the most affordable housing markets in the area. 94.9% of occupied housing units are owner-occupied. This homeownership rate is 32% higher than the state average of 71.7%.
Race & Ethnicity
Unionville has a predominantly White (non-Hispanic) population, comprising 97.4% of all residents. Asian residents account for 1.3%.
Education
7.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 76% 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 98.5%.
Data Sources & Methodology
All demographic data for Unionville, 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 Unionville, Iowa?
Unionville, Iowa has a population of 78 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Unionville, IA?
The median household income in Unionville is $82,813, which is 3% higher than the national median of $80,734.
What is the poverty rate in Unionville, IA?
The poverty rate in Unionville is 5.1%. This means approximately 4 residents live below the federal poverty line.
What is the racial makeup of Unionville, Iowa?
Unionville's population is 97.4% White, 0.0% Black, 0.0% Hispanic/Latino, and 1.3% Asian.
What is the median home value in Unionville, IA?
The median home value in Unionville is $95,000. The home-value-to-income ratio is 1.1x.
How educated is Unionville, Iowa?
7.7% of adults (25+) in Unionville hold a bachelor's degree or higher, and 3.1% hold a graduate or professional degree.