There are 6 cities in Benton County, Washington.

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City
Rank
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Kennewick184,85483,9810.06%3,09127.45
Richland264,23360,8781.11%1,63839.22
West Richland319,38516,3844.28%87722.11
Prosser46,4206,1111.41%1,3824.64
Finley55,8485,858 50611.55
Benton City63,9723,4804.14%1,6082.47
showing: 6 rows

Cities in Benton County, Washington by Population (2024)

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.

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