Benton County, Washington
11 ZIP codes · 1,700.13 sq mi of land · FIPS 53005
| Population | 212,905 |
|---|---|
| State | Washington |
| FIPS code | 53005 |
| Time zone | Pacific |
| Land area | 1,700.13 sq mi |
| Center (lat, long) | 46.2281, -119.5167 |
Area codes in this area
These are the area codes that most often serve Benton County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
Kennewick · 85,295Richland · 62,753West Richland · 17,586Sunnyside · 16,277Benton CityPatersonPlymouthProsser
ZIP codes in Benton County
98944 Sunnyside99320 Benton City99336 Kennewick99337 Kennewick99338 Kennewick99345 Paterson99346 Plymouth99350 Prosser99352 Richland99353 West Richland99354 Richland
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.