County · Idaho · United States
Washington County ZIP codes
3 ZIP codes · 3 cities · FIPS 16087
Key facts
- State
- Idaho (ID)
- FIPS code
- 16087
- Population
- 10,866
- Median household income
- $53,608
- Median age
- 44.6
- Land area
- 1,452.9 sq mi (3,762.9 km²)
- Population density
- 7 / sq mi
- Area codes
- 208, 986
Cities and ZIP codes in Washington County (3)
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.