County · Rhode Island · United States
Washington County ZIP codes
20 ZIP codes · 20 cities · FIPS 44009
Key facts
- State
- Rhode Island (RI)
- FIPS code
- 44009
- Population
- 130,073
- Median household income
- $102,478
- Median age
- 45.3
- Land area
- 329.3 sq mi (852.8 km²)
- Population density
- 395 / sq mi
- Area codes
- 401
Cities and ZIP codes in Washington County (20)
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.