County · Ohio · United States
Union County ZIP codes
8 ZIP codes · 8 cities · FIPS 39159
Key facts
- State
- Ohio (OH)
- FIPS code
- 39159
- Population
- 65,293
- Median household income
- $109,506
- Median age
- 38.1
- Land area
- 431.8 sq mi (1,118.3 km²)
- Population density
- 151 / sq mi
- Area codes
- 326, 380, 614, 740, 937
Cities and ZIP codes in Union County (8)
| City | ZIP codes |
|---|---|
| Broadway | 43007 |
| Irwin | 43029 |
| Magnetic Springs | 43036 |
| Marysville | 43040 |
| Milford Center | 43045 |
| Raymond | 43067 |
| Richwood | 43344 |
| Unionville Center | 43077 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.