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| County : | Grant County |
| State : | Washington (WA) |
| Land Area : | 2,679.50 sq mi |
| Water Area : | 111.80 sq mi |
| Latitude : | 47.2136328 |
| Longitude : | -119.4677880 |
| Population (2010): | 89,120 |
| Population Estimate (2012) : | 88,885 |
| Population Density : | 33.26/sq mi |
| Housing Units (2012) : | 35,083 |
| Median Household Income (2012) : | $45,531 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $52,472 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $156,000 (Washington : $272,900, USA : $181,400) |
Grant County Cities / Towns
| Banks Lake South (174) | Cascade Valley (2,246) | Coulee City Town (562) |
| Desert Aire (1,626) | Electric City (968) | Ephrata City (7,664) |
| George City (501) | Grand Coulee City (988) | Hartline Town (151) |
| Krupp Town (48) | Lakeview (915) | Mattawa Town (4,437) |
| Moses Lake City (20,366) | Moses Lake North (4,418) | Quincy City (6,750) |
| Royal City (2,140) | Soap Lake City (1,514) | Warden City (2,692) |
| Wilson Creek Town (205) |
Grant County Zip Codes
| 98823 (11,055) | 98824 (181) | 98832 (320) |
| 98837 (39,722) | 98848 (11,518) | 98851 (4,014) |
| 98853 (23) | 98857 (4,082) | 98860 (259) |
| 99103 (497) | 99115 (1,143) | 99123 (1,058) |
| 99133 (1,493) | 99135 (255) | 99321 (531) |
| 99344 (16,817) | 99349 (8,483) | 99357 (4,323) |