Benton County, Washington
46 public bodies govern here, 6 school districts are based here, and USDA lists 3 farmers markets. Everything below says where it came from.
In four numbers
- People
- 212,905
- Median household income
- $89,874
- ±2,080
- Unemployed
- 5.3%
- 5,366 of 100,809 in the labour force
- Homes with broadband
- 92.2%
- 71,961 of 78,046 households
U.S. Census Bureau, American Community Survey 5-year estimates 2020-2024; read 2026-09-26. Percentages worked out here from the two counts shown.
Who governs here
County government 1
| Name | People | Office | Website |
|---|---|---|---|
| County of Benton | 210,025 (2021) | Po Box 190, Prosser | Website |
Cities, towns and villages 5
| Name | People | Office | Website |
|---|---|---|---|
| City of Benton City | 3,488 (2021) | Po Box 70, Benton City | Website |
| City of Kennewick | 84,488 (2021) | Po Box 6108, Kennewick | Website |
| City of Prosser | 6,106 (2021) | 601 7th St, Prosser | Website |
| City of Richland | 61,929 (2021) | Po Box 190, Richland | Website |
| City of West Richland | 16,951 (2021) | 3801 W Van Giesen St, West Richland | Website |
Special districts 40
| Name | What it does | Office | Website |
|---|---|---|---|
| Benton County Drainage District 10 | Drainage | Po Box 1001, Prosser | — |
| Benton County Drainage District 9 | Drainage | Po Box 1001, Prosser | — |
| Benton County Drainage District 9A | Drainage | Po Box 1001, Prosser | — |
| Benton County Public Utility District 1 | Electric power utility | Po Box 6270, Kennewick | Website |
| Energy Northwest | Electric power utility | Po Box 968, Richland | Website |
| Benton County Diking District 1 | Flood control | 618 Riverside Dr, West Richland | — |
| Benton Clean Air Authority | Health | 526 S Clodfelter Rd, Kennewick | Website |
| Benton County Mosquito Control District | Health | 4951 W Van Giesen St, West Richland | Website |
| Greater Columbia Behavioral Health Organization | Health | 101 N Edison St, Kennewick | Website |
| Kennewick Public Hospital District 1 | Hospitals | Po Box 6128, Kennewick | Website |
| Prosser Public Hospital District | Hospitals | 723 Memorial St, Prosser | Website |
| Kennewick City Housing Authority | Housing and community development | 1915 W 4th Pl, Kennewick | Website |
| Badger Mountain Irrigation District | Irrigation | 87525 E Reata Rd, Kennewick | — |
| Benton County Irrigation District | Irrigation | Po Box 626, Benton City | Website |
| Columbia Irrigation District | Irrigation | 10 E Kennewick Ave, Kennewick | Website |
| Kennewick Irrigation District | Irrigation | 2015 S Ely St, Kennewick | Website |
| Kiona Irrigation District | Irrigation | Po Box 300, Benton City | — |
| Mid Columbia Rural Library District | Libraries | 405 S Dayton St, Kennewick | Website |
| Benton County Fire Protection District 1 | Local fire protection | 7511 W Arrowhead Ave, Kennewick | Website |
| Benton County Fire Protection District 2 | Local fire protection | Po Box 719, Benton City | — |
| Benton County Fire Protection District 4 | Local fire protection | 2604 Bombing Range Rd, West Richland | Website |
| Benton County Fire Protection District 5 | Local fire protection | 1112 Meade Ave, Prosser | — |
| Benton County Fire Protection District 6 | Local fire protection | Po Box 218, Paterson | — |
| West Benton Regional Fire Authority | Local fire protection | 1200 Grant Ave, Prosser | Website |
| Port of Benton | Other multi-function districts | 3250 Prot of Benton Blvd, Richland | Website |
| Port of Kennewick | Other multi-function districts | 350 Clover Island Dr, Kennewick | Website |
| Southeast Washington Special Operations Group | Other natural resources | 101108 East Badger Road, Kennewick | — |
| Benton County Public Facilities District | Other single function districts | Po Box 217, Richland | — |
| Bi-Pin Bi-County Police Information Network | Other single function districts | Po Box 6108, Kennewick | — |
| Central Wa Public Utility Unified Insurance Program Trust | Other single function districts | Po Box 878, Ephrata | — |
| Kennewick Public Facilities District | Parks and recreation | 7016 W Grandridge Blvd, Kennewick | Website |
| Richland Public Facilities District | Parks and recreation | Po Box 1160, Richland | Website |
| Tri-Cities Regional Public Facilities District | Parks and recreation | Po Box 217, Richland | Website |
| Metro-Local Narcotics Ctrl Prog (benton) | Police protection | Po Box 6108, Kennewick | Website |
| Ben Franklin Transit | Public mass transit utility | 1000 Columbia Park Trl, Richland | Website |
| County View Water and Sewer District | Sewerage and water supply | 4310 Angel Lake Ct, Richland | — |
| Benton County Well Water District | Water supply utility | 927 Florence St, Prosser | — |
| Columbia Water and Power Irrigation District | Water supply utility | Po Box 231, Paterson | — |
| Plymouth Water District | Water supply utility | Po Box 17, Plymouth | — |
| Tri City Estates Water District | Water supply utility | Po Box 883, Richland | — |
U.S. Census Bureau, 2022 Census of Governments, Government Units List (published August 2023); the file read 2026-09-26. Offices are placed by county; a special district’s territory can cross county lines. Each body posts its own meetings on its website where the Census records one.
School districts based here
Finley School District
School district3 schools
224606 E GAME FARM RD, Kennewick, WA, 99337
Kennewick School District
School district33 schools
1000 W. 4th Avenue, Kennewick, WA, 99336
Its website — where its board posts meetings. Federal record.
Kiona-Benton City School District
School district3 schools
1105 DALE AVE, Benton City, WA, 99320
Its website — where its board posts meetings. Federal record.
Paterson School District
School district1 schools
51409 W PRIOR RD, Paterson, WA, 99345
Prosser School District
School district6 schools
1500 Grant Ave, Prosser, WA, 99350
Its website — where its board posts meetings. Federal record.
Richland School District
School district23 schools
6972 Keene Road, West RICHLAND, WA, 99353
Its website — where its board posts meetings. Federal record.
National Center for Education Statistics, Common Core of Data 2024-25; read 2026-09-26.
Farmers markets
Benton City Community Market
806 Dale Ave. Benton City, WA, 99320
Gathered by USDA from the web; USDA record last changed 2023-03-27. USDA listing
Southridge Farmers' Market
2901 Southridge Blvd., South Parking Lot, Kennewick, WA, 99337
Gathered by USDA from the web; USDA record last changed 2023-03-27. USDA listing
Market at The Parkway
707 The Parkway, Richland, WA, 99352
Gathered by USDA from the web; USDA record last changed 2023-03-27. USDA listing
USDA National Farmers Market Directory; read 2026-09-26.