Grant County, Washington

Geography According to the U.S. Census Bureau, the county has a total area of 7,229 km² (2,791 mi²). 6,944 km² (2,681 mi²) of it is land and 285 km² (110 mi²) of it is water. The total area is 3.95% water.

Geographic Features

• Columbia River

Major Highways

• Interstate 90
• United States Highway 2[?]

Adjacent Counties

• Okanogan County, Washington - north
• Douglas County, Washington - north
• Adams County, Washington - east
• Lincoln County, Washington - east
• Franklin County, Washington - southeast
• Benton County, Washington - south
• Yakima County, Washington - southwest
• Kittitas County, Washington - west

Demographics As of the census¹ of 2000, there are 74,698 people, 25,204 households, and 18,676 families residing in the county. The population density is 11/km² (28/mi²). There are 29,081 housing units at an average density of 4/km² (11/mi²). The racial makeup of the county is 76.54% White, 0.99% African American, 1.16% Native American, 0.87% Asian, 0.07% Pacific Islander, 17.36% from other races, and 3.01% from two or more races. 30.09% of the population are Hispanic or Latino of any race.

There are 25,204 households out of which 39.90% have children under the age of 18 living with them, 59.30% are married couples living together, 9.80% have a female householder with no husband present, and 25.90% are non-families. 21.20% of all households are made up of individuals and 8.90% have someone living alone who is 65 years of age or older. The average household size is 2.92 and the average family size is 3.38.

In the county, the population is spread out with 32.00% under the age of 18, 9.80% from 18 to 24, 27.00% from 25 to 44, 19.70% from 45 to 64, and 11.50% who are 65 years of age or older. The median age is 31 years. For every 100 females there are 104.50 males. For every 100 females age 18 and over, there are 103.40 males.

The median income for a household in the county is $35,276, and the median income for a family is $38,938. Males have a median income of $32,414 versus $24,310 for females. The per capita income for the county is $15,037. 17.40% of the population and 13.10% of families are below the poverty line. Out of the total people living in poverty, 22.30% are under the age of 18 and 9.40% are 65 or older.

Cities and Towns

• Banks Lake South
• Cascade Valley
• Coulee City
• Desert Aire
• Electric City
• Ephrata
• George
• Grand Coulee
• Hartline
• Krupp
• Lakeview
• Mattawa
• Moses Lake
• Moses Lake North
• Quincy
• Royal City
• Soap Lake
• Warden
• Wilson Creek