County · Ohio · United States
Washington County ZIP codes
17 ZIP codes · 17 cities · FIPS 39167
Key facts
- State
- Ohio (OH)
- FIPS code
- 39167
- Population
- 59,318
- Median household income
- $61,355
- Median age
- 44.1
- Land area
- 632 sq mi (1,636.8 km²)
- Population density
- 94 / sq mi
- Area codes
- 220, 740
Cities and ZIP codes in Washington County (17)
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.