Union City, OH zip code
Union City, Ohio uses one zip code: 45390. Most of it is in Darke County. Together these zip codes are home to about 3.4K people.
Zip codes
1
Population
3.4K
All zips combined
Largest zip
45390
3,432 residents
Zip codes in Union City
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 45390 | 3,432 | $52,150 |