Benton County, Washington Cities (2024)

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

City
Rank
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Kennewick185,54983,9840.46%3,00128.5City
Richland264,70660,9081.49%1,62339.9City
West Richland319,14516,3883.73%86622.1City
Prosser46,4426,1381.19%1,2475.2City
Finley55,8215,858-0.22%50411.6CDP
Benton City63,8173,4792.25%1,5342.5City

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Benton County, Washington?

Kennewick is the largest city in Benton County.

What is the smallest city in Benton County, Washington?

Benton City is the smallest city in Benton County.

How many cities are in Benton County?

There are 6 cities in Benton County, Washington.

Frequently Asked Questions