Union, Ohio Demographics & Population 2026
During the 2020–2024 ACS period, Union, Ohio had a total population of 7,037, the 238th largest city in Ohio, with a median household income of $73,353, which is 3% higher than the state average. The poverty rate is 12.6%.
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 2.3x.
Union Quick Facts
How Union 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 | 6,930 | 7,037 | +1.5% |
| Median household income | $68,837 | $73,353 | +6.6% |
| Median home value | $138,800 | $169,200 | +21.9% |
How Union 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: 41 | National average: 61
Education
Educational Attainment (Adults 25+)
Union Rankings in Ohio
Explore Ohio Rankings
Other Cities in Montgomery County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Dayton | 136,579 | $45,247 | 26.9% | $100,600 |
| Kettering | 57,206 | $74,681 | 8.3% | $208,500 |
| Huber Heights | 43,455 | $79,131 | 9.6% | $177,300 |
| Centerville | 25,205 | $85,492 | 8.6% | $287,200 |
| Riverside | 24,435 | $61,352 | 15.3% | $147,800 |
| Trotwood | 23,041 | $50,113 | 21.5% | $113,200 |
| Springboro | 19,980 | $119,659 | 2.8% | $357,800 |
| Miamisburg | 19,948 | $82,900 | 11.8% | $231,300 |
| Vandalia | 15,053 | $73,275 | 9.0% | $197,000 |
| Englewood | 13,356 | $80,030 | 6.4% | $182,800 |
Cities Similar to Union
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Cortland | 7,080 | $71,563 | $224,900 | 34.7% | 9.8% |
| Northgate | 6,723 | $73,672 | $174,300 | 19.0% | 9.7% |
| Mentor-on-the-Lake | 7,111 | $67,188 | $188,500 | 24.7% | 8.5% |
| Withamsville | 7,429 | $72,300 | $229,400 | 22.9% | 13.7% |
| Huron | 6,757 | $78,333 | $222,500 | 38.7% | 5.6% |
Population Overview
Union is a small city located in Ohio, within Montgomery County. The total population is 7,037. It ranks as the 238th most populous out of 1,264 Census-designated places in Ohio.
Age Demographics
The median age in Union is 36.8 years. This is 7% lower than the state median of 39.7 years. 10.3% 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 Union is $73,353. This is 3% higher than the state median of $71,389. It is also 9% lower than the national median of $80,734. The poverty rate stands at 12.6%. This is 5% lower than the state poverty rate of 13.3%. The unemployment rate is 2.8%. This is 42% lower than the state rate of 4.8%. The median home value is $169,200. Housing costs are 21% lower than the state median of $214,800. With a home-value-to-income ratio of just 2.3x, Union is one of the most affordable housing markets in the area. 81.2% of occupied housing units are owner-occupied. This homeownership rate is 21% higher than the state average of 67.2%.
Race & Ethnicity
The largest racial or ethnic group in Union is White (non-Hispanic), making up 82.6% of the population. Black or African American residents account for 5.3%. The Black or African American population (5.3%) is well below the state average of 12.0%. The Hispanic or Latino population (1.2%) is well below the state average of 4.8%. The Asian population (0.2%) is well below the state average of 2.5%.
Education
24.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 24% lower than the state rate of 31.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.2%.
Data Sources & Methodology
All demographic data for Union, Ohio 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 Ohio state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,264 Census-designated places in Ohio. 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 Union, Ohio?
Union, Ohio has a population of 7,037 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Union, OH?
The median household income in Union is $73,353, which is 9% lower than the national median of $80,734.
What is the poverty rate in Union, OH?
The poverty rate in Union is 12.6%. This means approximately 884 residents live below the federal poverty line.
What is the racial makeup of Union, Ohio?
Union's population is 82.6% White, 5.3% Black, 1.2% Hispanic/Latino, and 0.2% Asian.
What is the median home value in Union, OH?
The median home value in Union is $169,200. The home-value-to-income ratio is 2.3x.
How educated is Union, Ohio?
24.0% of adults (25+) in Union hold a bachelor's degree or higher, and 9.0% hold a graduate or professional degree.