Grant County, Washington
As of the census of 2000, there were 74698 residents, 25204 households, and 18674 families in the county. The population density was 27.9 people per square mile (10.77/kmē), it is the 22nd most densely populated county in the U.S. state of Washington. There were 29081 housing units at an average density of 10.8 per square mile (4.17/kmē). The average household size was 2.92 people, and the average family size was 3.38 people. In the county the population is diverse age-wise, with 32% under the age of 18, 9.8% from 18 to 24, 27% from 25 to 44, 19.7% from 45 to 64, and 11.5% who were 65 or older. For every 100 females there were 104.5 males. For every 100 females age 18 and over, there were 103.4 males. The county's estimated population as of July 2008 was 84697, The racial makeup of the county was 94.7% White, 1.2% Black or African American, 1.48% American Indian, 1.13% Asian, 0.11% Native Hawaiian, and 1.38% from two or more races.
The median income for a household in the county was $35276, it is Washington's 24th wealthiest county by median household income. The median income for a family in the county was $38938, it is the fifth poorest county in terms of median family income. The per capita income for the county was $15037, it would be the fourth lowest county by per capita income in the U.S. state of Washington.
In 2000, 21570 pupils and students, of which 50.43% are male and 49.57% are female, 28.88% of the total population, are in the education system. Of which, percentage of enrollment student are in, 5.54% nursery or pri school, 6.15% kindergarten, 51.19% elementary school, 24.97% high school and 12.16% College graduate school.
| Rank | City | County | Total Area mi2 | Land Area mi2 | Water Area mi2 | Population | Density mi2 | Per capita Income | House hold Income |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Banks Lake South Cdp | Grant County | 2.89 | 2.44 | 0.45 | 160 | 65.7 | 18588 | 37500 |
| 2 | Cascade Valley Cdp | Grant County | 4.43 | 2.77 | 1.66 | 1811 | 654.7 | 16170 | 37344 |
| 3 | Coulee City Town | Grant County | 0.99 | 0.99 | 0 | 600 | 605 | 14411 | 25938 |
| 4 | Desert Aire Cdp | Grant County | 5.97 | 3.27 | 2.71 | 1124 | 344 | 18719 | 35719 |
| 5 | Electric City Town | Grant County | 0.57 | 0.54 | 0.03 | 922 | 1706.3 | 19388 | 42321 |
| 6 | Ephrata City | Grant County | 9.97 | 9.97 | 0 | 6808 | 683 | 17929 | 35060 |
| 7 | George City | Grant County | 0.6 | 0.6 | 0 | 528 | 879.2 | 7779 | 21181 |
| 8 | Grand Coulee City | Grant County | 1.19 | 1.1 | 0.09 | 897 | 816.9 | 13639 | 21818 |
| 9 | Hartline Town | Grant County | 0.33 | 0.33 | 0 | 134 | 406.6 | 14335 | 27917 |
| 10 | Krupp Town | Grant County | 0.6 | 0.6 | 0 | 60 | 100.5 | 9149 | 37679 |
| 11 | Lakeview Cdp | Grant County | 1.14 | 1.14 | 0 | 797 | 700.1 | 17448 | 30588 |
| 12 | Mattawa Town | Grant County | 0.49 | 0.49 | 0 | 2609 | 5281.7 | 7510 | 31964 |
| 13 | Moses Lake City | Grant County | 11.94 | 10.18 | 1.76 | 14953 | 1468.6 | 16644 | 36467 |
| 14 | Moses Lake North Cdp | Grant County | 6.14 | 6.14 | 0 | 4232 | 689.4 | 9134 | 26645 |
| 15 | Quincy City | Grant County | 2.24 | 2.24 | 0 | 5044 | 2252.8 | 12649 | 32181 |
| 16 | Royal City City | Grant County | 1.26 | 1.26 | 0 | 1823 | 1445.6 | 9502 | 28529 |
| 17 | Soap Lake City | Grant County | 1.21 | 1.21 | 0 | 1733 | 1434 | 13753 | 20459 |
| 18 | Warden City | Grant County | 2.15 | 2.1 | 0.05 | 2544 | 1212.2 | 9922 | 31071 |
| 19 | Wilson Creek Town | Grant County | 0.99 | 0.99 | 0 | 227 | 229.7 | 11464 | 23750 |
| 20 | Coulee Dam Town | Okanogan County, Douglas County, Grant County | 0.73 | 0.68 | 0.05 | 1044 | 1532.5 | 18791 | 37391 |
| Year | Population |
|---|---|
| April 2000 census | 74698 |
| April 2000 Estimate | 74697 |
| July 2000 Estimate | 74966 |
| July 2001 Estimate | 76141 |
| July 2002 Estimate | 77046 |
| July 2003 Estimate | 78002 |
| July 2004 Estimate | 78767 |
| July 2005 Estimate | 79531 |
| July 2006 Estimate | 80845 |
| July 2007 Estimate | 82361 |
| July 2008 Estimate | 84697 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 641 | 553 | 1194 |
| Kindergarten | 799 | 527 | 1326 |
| Elementary school | 5614 | 5428 | 11042 |
| High school | 2794 | 2592 | 5386 |
| College or graduate school | 1030 | 1592 | 2622 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Grant County, Washington | $35276 | $38938 | $15037 |
| Washington, United States | $45776 | $53760 | $22973 |
| United States | $41994 | $50046 | $21587 |