Facts about Cowlitz County, Washington
Cowlitz County is a county located in the U.S. state of Washington. As of the 2010 census, its population was 102,410. The county seat is Kelso, and its largest city is Longview. The county was formed on April 21, 1854. Its name derives from the anglicized version of the Cowlitz Indian term, Cow-e-liske, meaning either “river of shifting sands” or “capturing the medicine spirit.”
Cowlitz comprises the Longview, WA Metropolitan Statistical Area, which is also included in the Portland-Vancouver-Salem, OR-WA Combined Statistical Area.
Cowlitz County is in the southwestern part of Washington state. According to the U.S. Census Bureau, the county has a total area of 1,166 square miles (3,020 km²), of which 1,140 square miles (3,000 km²) is land and 26 square miles (67 km²) (2.2%) is water.
Cowlitz County is part of the Puget Sound – Willamette Depression, a geologic formation extending south from the Puget Sound to the Willamette Valley in Oregon. Nestled up against the Cascade Mountains, many of the county’s major rivers originate in this range. These rivers include the Columbia, Cowlitz, Coweeman, Kalama, Lewis and Toutle.
Cowlitz County is the 28th largest out of 39 counties in Washington State.
As of the 2010 United States Census, there were 102,410 people, 40,244 households, and 27,241 families residing in the county. The population density was 89.8 inhabitants per square mile (34.7/km²). There were 43,450 housing units at an average density of 38.1 per square mile (14.7/km²). The racial makeup of the county was 88.9% white, 1.5% Asian, 1.5% American Indian, 0.6% black or African American, 0.2% Pacific islander, 3.5% from other races, and 3.7% from two or more races. Those of Hispanic or Latino origin made up 7.8% of the population. In terms of ancestry, 24.4% were German, 15.0% were Irish, 12.3% were English, 6.2% were Norwegian, and 5.4% were American.
Of the 40,244 households, 31.8% had children under the age of 18 living with them, 50.2% were married couples living together, 11.8% had a female householder with no husband present, 32.3% were non-families, and 25.8% of all households were made up of individuals. The average household size was 2.51 and the average family size was 2.99. The median age was 40.2 years.
Serving Cowlitz County, Washington
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