Columbia County Demographics

A map of Columbia County's Population by Race

Columbia County, Oregon had a population of 52,589 in 2020. It was 84.1% White, 0.6% Black, 1.1% Asian, 5.8% Hispanic, 1.9% Native American/Other, and 6.5% Multiracial. This map presents the population of Columbia County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Columbia County is the 17th most populous county of the 36 counties in Oregon.

Columbia County's White Population

44,228 residents of Columbia County identify as White, or 84.1%. This makes the White share of the population of Columbia County larger than the White share of the population of Oregon (71.7% White). Of the 36 counties in Oregon, Columbia County is ranked #11 in terms of White residents as a share of the population.

Columbia County is more White than neighboring Washington County (60.8% White), Cowlitz County (79.5% White), Clark County (72.9% White), and Clatsop County (81.6% White). Columbia County is less White than neighboring Wahkiakum County (86.3% White).

Columbia County's Black Population

300 residents of Columbia County identify as Black, or 0.6%. This makes the Black share of the population of Columbia County roughly similar to the Black share of the population of Oregon (1.9% Black). Of the 36 counties in Oregon, Columbia County is ranked #14 in terms of Black residents as a share of the population.

Columbia County is more Black than neighboring Wahkiakum County (0.5% Black), and Clatsop County (0.5% Black). Columbia County is less Black than neighboring Washington County (2.1% Black), Cowlitz County (0.7% Black), and Clark County (2.2% Black).

Columbia County's Asian Population

561 residents of Columbia County identify as Asian, or 1.1%. This makes the Asian share of the population of Columbia County roughly similar to the Asian share of the population of Oregon (4.5% Asian). Of the 36 counties in Oregon, Columbia County is ranked #18 in terms of Asian residents as a share of the population.

Columbia County is more Asian than neighboring Wahkiakum County (1% Asian). Columbia County is less Asian than neighboring Washington County (11.4% Asian), Cowlitz County (1.6% Asian), Clark County (4.8% Asian), and Clatsop County (1.3% Asian).

Columbia County's Hispanic Population

3,070 residents of Columbia County identify as Hispanic, or 5.8%. This makes the Hispanic share of the population of Columbia County slightly less than the Hispanic share of the population of Oregon (13.9% Hispanic). Of the 36 counties in Oregon, Columbia County is ranked #29 in terms of Hispanic residents as a share of the population.

Columbia County is more Hispanic than neighboring Wahkiakum County (4.1% Hispanic). Columbia County is less Hispanic than neighboring Washington County (17.9% Hispanic), Cowlitz County (9.8% Hispanic), Clark County (11.7% Hispanic), and Clatsop County (9.4% Hispanic).

Columbia County's Native American/Other Population

1,002 residents of Columbia County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.9%. This makes the Native American/Other share of the population of Columbia County roughly similar to the Native American/Other share of the population of Oregon (2% Native American/Other). Of the 36 counties in Oregon, Columbia County is ranked #17 in terms of Native American/Other residents as a share of the population.

Columbia County is more Native American/Other than neighboring Washington County (1.5% Native American/Other), Wahkiakum County (1.8% Native American/Other), and Clatsop County (1.6% Native American/Other). Columbia County is less Native American/Other than neighboring Cowlitz County (2.3% Native American/Other), and Clark County (2.1% Native American/Other).

Columbia County's Multiracial Population

3,428 residents of Columbia County identify as Multiracial, or 6.5%. This makes the Multiracial share of the population of Columbia County roughly similar to the Multiracial share of the population of Oregon (6.1% Multiracial). Of the 36 counties in Oregon, Columbia County is ranked #6 in terms of Multiracial residents as a share of the population.

Columbia County is more Multiracial than neighboring Washington County (6.3% Multiracial), Cowlitz County (6.2% Multiracial), Wahkiakum County (6.3% Multiracial), Clark County (6.4% Multiracial), and Clatsop County (5.5% Multiracial).

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