County · Nebraska · United States
Washington County ZIP codes
6 ZIP codes · 6 cities · FIPS 31177
Key facts
- State
- Nebraska (NE)
- FIPS code
- 31177
- Population
- 20,989
- Median household income
- $90,188
- Median age
- 42.6
- Land area
- 390 sq mi (1,010 km²)
- Population density
- 54 / sq mi
- Area codes
- 402, 531
Cities and ZIP codes in Washington County (6)
| City | ZIP codes |
|---|---|
| Arlington | 68002 |
| Blair | 68008 |
| Fort Calhoun | 68023 |
| Herman | 68029 |
| Kennard | 68034 |
| Washington | 68068 |
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.