County · Washington · United States
Benton County ZIP codes
10 ZIP codes · 7 cities · FIPS 53005
Key facts
- State
- Washington (WA)
- FIPS code
- 53005
- Population
- 210,224
- Median household income
- $87,316
- Median age
- 36.2
- Land area
- 1,700.1 sq mi (4,403.3 km²)
- Population density
- 124 / sq mi
- Area codes
- 509
Cities and ZIP codes in Benton County (7)
| City | ZIP codes |
|---|---|
| Kennewick | 99336, 99337, 99338 |
| Richland | 99352, 99354 |
| Benton City | 99320 |
| Paterson | 99345 |
| Plymouth | 99346 |
| Prosser | 99350 |
| West Richland | 99353 |
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.