Cowlitz County Demographics

A map of Cowlitz County's Population by Race

Cowlitz County, Washington had a population of 110,730 in 2020. It was 79.5% White, 0.7% Black, 1.6% Asian, 9.8% Hispanic, 2.3% Native American/Other, and 6.2% Multiracial. This map presents the population of Cowlitz County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Cowlitz County is the 12th most populous county of the 39 counties in Washington.

Cowlitz County's White Population

88,067 residents of Cowlitz County identify as White, or 79.5%. This makes the White share of the population of Cowlitz County larger than the White share of the population of Washington (63.8% White). Of the 39 counties in Washington, Cowlitz County is ranked #15 in terms of White residents as a share of the population.

Cowlitz County is more White than neighboring Clark County (72.9% White), Multnomah County (65.7% White), and Thurston County (70.6% White). Cowlitz County is less White than neighboring Columbia County (84.1% White), and Lewis County (79.7% White).

Cowlitz County's Black Population

746 residents of Cowlitz County identify as Black, or 0.7%. This makes the Black share of the population of Cowlitz County roughly similar to the Black share of the population of Washington (3.8% Black). Of the 39 counties in Washington, Cowlitz County is ranked #18 in terms of Black residents as a share of the population.

Cowlitz County is more Black than neighboring Columbia County (0.6% Black), and Lewis County (0.6% Black). Cowlitz County is less Black than neighboring Clark County (2.2% Black), Multnomah County (5.4% Black), and Thurston County (3% Black).

Cowlitz County's Asian Population

1,721 residents of Cowlitz County identify as Asian, or 1.6%. This makes the Asian share of the population of Cowlitz County slightly less than the Asian share of the population of Washington (9.4% Asian). Of the 39 counties in Washington, Cowlitz County is ranked #17 in terms of Asian residents as a share of the population.

Cowlitz County is more Asian than neighboring Columbia County (1.1% Asian), and Lewis County (1% Asian). Cowlitz County is less Asian than neighboring Clark County (4.8% Asian), Multnomah County (7.5% Asian), and Thurston County (5.7% Asian).

Cowlitz County's Hispanic Population

10,802 residents of Cowlitz County identify as Hispanic, or 9.8%. This makes the Hispanic share of the population of Cowlitz County roughly similar to the Hispanic share of the population of Washington (13.7% Hispanic). Of the 39 counties in Washington, Cowlitz County is ranked #22 in terms of Hispanic residents as a share of the population.

Cowlitz County is more Hispanic than neighboring Columbia County (5.8% Hispanic). Cowlitz County is less Hispanic than neighboring Clark County (11.7% Hispanic), Lewis County (10.7% Hispanic), and Multnomah County (12.7% Hispanic).

Cowlitz County's Native American/Other Population

2,537 residents of Cowlitz County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 2.3%. This makes the Native American/Other share of the population of Cowlitz County roughly similar to the Native American/Other share of the population of Washington (2.6% Native American/Other). Of the 39 counties in Washington, Cowlitz County is ranked #20 in terms of Native American/Other residents as a share of the population.

Cowlitz County is more Native American/Other than neighboring Clark County (2.1% Native American/Other), Columbia County (1.9% Native American/Other), Lewis County (1.9% Native American/Other), and Multnomah County (1.9% Native American/Other). Cowlitz County is less Native American/Other than neighboring Thurston County (2.9% Native American/Other).

Cowlitz County's Multiracial Population

6,857 residents of Cowlitz County identify as Multiracial, or 6.2%. This makes the Multiracial share of the population of Cowlitz County roughly similar to the Multiracial share of the population of Washington (6.6% Multiracial). Of the 39 counties in Washington, Cowlitz County is ranked #14 in terms of Multiracial residents as a share of the population.

Cowlitz County is more Multiracial than neighboring Lewis County (6% Multiracial). Cowlitz County is less Multiracial than neighboring Clark County (6.4% Multiracial), Columbia County (6.5% Multiracial), Multnomah County (6.8% Multiracial), and Thurston County (7.9% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.