County · Ohio · United States
Knox County ZIP codes
9 ZIP codes · 9 cities · FIPS 39083
Key facts
- State
- Ohio (OH)
- FIPS code
- 39083
- Population
- 62,888
- Median household income
- $73,988
- Median age
- 39.4
- Land area
- 525.5 sq mi (1,361 km²)
- Population density
- 120 / sq mi
- Area codes
- 220, 234, 326, 330, 740, 937
Cities and ZIP codes in Knox County (9)
| City | ZIP codes |
|---|---|
| Bladensburg | 43005 |
| Brinkhaven | 43006 |
| Centerburg | 43011 |
| Danville | 43014 |
| Fredericktown | 43019 |
| Gambier | 43022 |
| Howard | 43028 |
| Martinsburg | 43037 |
| Mount Vernon | 43050 |
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.