County · Ohio · United States
Hardin County ZIP codes
10 ZIP codes · 10 cities · FIPS 39065
Key facts
- State
- Ohio (OH)
- FIPS code
- 39065
- Population
- 30,527
- Median household income
- $58,001
- Median age
- 35.3
- Land area
- 470.3 sq mi (1,218 km²)
- Population density
- 65 / sq mi
- Area codes
- 326, 419, 567, 937
Cities and ZIP codes in Hardin County (10)
| City | ZIP codes |
|---|---|
| Ada | 45810 |
| Alger | 45812 |
| Dola | 45835 |
| Dunkirk | 45836 |
| Forest | 45843 |
| Kenton | 43326 |
| Mc Guffey | 45859 |
| Mount Victory | 43340 |
| Ridgeway | 43345 |
| Roundhead | 43346 |
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.