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| County : | Benton County |
| State : | Washington (WA) |
| Land Area : | 1,700.37 sq mi |
| Water Area : | 59.62 sq mi |
| Latitude : | 46.2280720 |
| Longitude : | -119.5168636 |
| Population (2010): | 175,177 |
| Population Estimate (2012) : | 175,424 |
| Population Density : | 103.02/sq mi |
| Housing Units (2012) : | 68,618 |
| Median Household Income (2012) : | $60,300 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $73,036 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $174,800 (Washington : $272,900, USA : $181,400) |
Benton County Cities / Towns
| Benton City (3,038) | Finley (6,012) | Kennewick City (73,917) |
| Prosser City (5,714) | Richland City (48,058) | West Richland City (11,811) |
Benton County Zip Codes
| 98930 (15,252) | 98944 (22,014) | 99320 (9,201) |
| 99336 (48,753) | 99337 (29,845) | 99338 (11,555) |
| 99345 (213) | 99346 (352) | 99350 (12,979) |
| 99352 (26,975) | 99353 (13,306) | 99354 (21,343) |