Benton County is a district of Washington.
Boundaries: United States Census Bureau, MAF/TIGER Database (https://www.census.gov/geographies/mapping-files/time-series/geo/carto-boundary-file.html) via geoBoundaries, public domain
| City of Kennewick | no seat recorded | 74 k |
| City of Prosser | no seat recorded | 6 k |
| City of Richland | no seat recorded | 48 k |
| City of West Richland | no seat recorded | 12 k |
Nothing has been written about Benton County here, and neither Wikipedia nor Wikivoyage has an article we could draw one from. If you know the place, that makes you a better source than anything we have. Tell us what is worth knowing and where you got it.
We show Prosser as the capital of Benton County. If that is wrong, tell us what it should be and where you read it.
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