County · Ohio · United States
Warren County ZIP codes
12 ZIP codes · 12 cities · FIPS 39165
Key facts
- State
- Ohio (OH)
- FIPS code
- 39165
- Population
- 246,364
- Median household income
- $107,843
- Median age
- 39.8
- Land area
- 401.4 sq mi (1,039.7 km²)
- Population density
- 614 / sq mi
- Area codes
- 283, 326, 513, 937
Cities and ZIP codes in Warren County (12)
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.