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Union, OH
City in Montgomery County, Ohio. ZIP codes: 45322, 45377.
Population
7,037
Land area
8.3sq mi
People per sq mi
843
ZIP codes
2
Union and its ZIP codes
Union at a glance
- Union is about 2.9 times as dense as Ohio as a whole.
- By population, it ranks 238th among 1,264 cities and towns in Ohio.
- The median household income is $73,353, close to the Ohio median.
- A typical owner-occupied home is valued at $169,200 (21% below Ohio) and median rent is $1,118 a month.
Local data for Union, OH
Counts from official public data
Housing and community stats
Union, OH, American Community Survey 2020-2024
Median household income
$73,353
Poverty rate
12.6%
Median home value
$169,200
Median rent
$1,118/mo
Homeownership
81.2%
Bachelor's or higher
24.0%
Median age
36.8
Average commute
25.0 min
Largest reported origins and ancestries: German Americans (1,480), Irish Americans (718), Italian Americans (416).
Economy and federal money
Jobs, pay, income and spending are for Montgomery County. PPP loans are for Union.
Unemployment rate
3.9%
Aug 2026, -1.0 pts in a year
Average annual pay
$63,788
251,925 jobs, 2025
Income per person
$60,796
BEA, 2024
Federal spending
$5.1B
FY 2026, $9,584 per person
How people get to work
Union, OH, workers 16 and older. American Community Survey 5-year estimates
- Drove alone86.8%
- Carpooled4.4%
- Public transit0.0%
- Walked0.0%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.1%
- Worked from home8.8%
Average one-way commute: 25.0 minutes for people who do not work from home.
Environment and hazard risk
Union, OH, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: strong wind
Storm events since 1996
907
Countywide, mostly thunderstorm wind
Flood insurance policies
946
0.5% of homes, county
July high / Jan low
86° / 22°F
41.3 inches of rain a year
Hazards, floods and storm historyCheck a flood zone1 historic places
Health statistics
Share of adults in Union, OH, CDC PLACES estimates
Obesity
35.8%
U.S. 33.3% +2.5 pts
Diabetes
13.2%
U.S. 12.1% +1.1 pts
Smoking
15.6%
U.S. 12.8% +2.8 pts
Uninsured (18-64)
7.0%
U.S. 11.1% -4.1 pts
ZIP codes in Union
2 in or overlapping Union. Population shown
Cities near Union
| Name | Distance | Land area (sq mi) |
|---|---|---|
| West MiltonVillage | 3.5 mi | 3.4 |
| EnglewoodCity | 3.6 mi | 6.6 |
| ClaytonCity | 4.6 mi | 18.5 |
| PhillipsburgVillage | 5.2 mi | 0.3 |
| Ludlow FallsVillage | 6.2 mi | 0.2 |
| VandaliaCity | 6.4 mi | 12.3 |
| PotsdamVillage | 6.9 mi | 0.4 |
| Tipp CityCity | 7.7 mi | 8.2 |
| BrookvilleCity | 7.8 mi | 4.1 |
| LauraVillage | 7.9 mi | 0.3 |
| ShilohCensus-designated place | 8.2 mi | 3.9 |
| Fort McKinleyCensus-designated place | 8.2 mi | 1.3 |
| TrotwoodCity | 8.5 mi | 30.5 |
| Pleasant HillVillage | 9.8 mi | 0.6 |
| TroyCity | 10 mi | 12.6 |
| DaytonCity | 11 mi | 55.8 |
Frequently asked questions
- What county is Union, OH in?
- Union is in Montgomery County, Ohio.
- What ZIP codes are in Union, OH?
- ZIP codes in or overlapping Union include 45322, 45377.
- What is the population of Union, OH?
- About 7,037 people live in Union, based on American Community Survey 5-year estimates.
- What cities are near Union?
- Nearby places include West Milton (3.5 mi), Englewood (3.6 mi), Clayton (4.6 mi), Phillipsburg (5.2 mi), Ludlow Falls (6.2 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023