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| Zip Code : | 98579 |
| City : | Grand Mound, Rochester |
| County : | Lewis County, Thurston County |
| State : | Washington (WA) |
| Land Area : | 90.49 sq mi |
| Water Area : | 0.64 sq mi |
| Latitude : | 46.7882009 |
| Longitude : | -123.1254731 |
| Population (2010): | 12,870 |
| Population Estimate (2012) : | 13,276 |
| Population Density : | 142.23/sq mi |
| Housing Units (2012) : | 5,009 |
| Median Household Income (2012) : | $54,496 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $53,000 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $229,600 (Washington : $272,900, USA : $181,400) |