Cities in Benton County, Washington by Population (2024)

There are 8 cities in Benton County, Washington.

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.)

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City
2024 Population
Kennewick85,519
Richland64,764
West Richland19,206
Sunnyside16,208
Grandview11,206
Prosser6,373
Finley5,838
Benton City3,832

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 8 cities in Benton County, Washington.

Frequently Asked Questions