Colusa County Demographics

A map of Colusa County's Population by Race

Colusa County, California had a population of 21,839 in 2020. It was 31.8% White, 0.8% Black, 1.2% Asian, 61.7% Hispanic, 2.0% Native American/Other, and 2.5% Multiracial. This map presents the population of Colusa County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Colusa County is the 50th most populous county of the 58 counties in California.

Colusa County's White Population

6,941 residents of Colusa County identify as White, or 31.8%. This makes the White share of the population of Colusa County roughly similar to the White share of the population of California (34.7% White). Of the 58 counties in California, Colusa County is ranked #44 in terms of White residents as a share of the population.

Colusa County is less White than neighboring Glenn County (48.1% White), Lake County (64.8% White), Sutter County (41.5% White), Yolo County (43.4% White), and Napa County (49.9% White).

Colusa County's Black Population

182 residents of Colusa County identify as Black, or 0.8%. This makes the Black share of the population of Colusa County roughly similar to the Black share of the population of California (5.4% Black). Of the 58 counties in California, Colusa County is ranked #43 in terms of Black residents as a share of the population.

Colusa County is more Black than neighboring Glenn County (0.5% Black). Colusa County is less Black than neighboring Lake County (1.7% Black), Sutter County (1.8% Black), Yolo County (2.6% Black), and Napa County (1.7% Black).

Colusa County's Asian Population

252 residents of Colusa County identify as Asian, or 1.2%. This makes the Asian share of the population of Colusa County less than the Asian share of the population of California (15.1% Asian). Of the 58 counties in California, Colusa County is ranked #54 in terms of Asian residents as a share of the population.

Colusa County is less Asian than neighboring Glenn County (2.2% Asian), Lake County (1.4% Asian), Sutter County (18.1% Asian), Yolo County (13.8% Asian), and Napa County (7.6% Asian).

Colusa County's Hispanic Population

13,476 residents of Colusa County identify as Hispanic, or 61.7%. This makes the Hispanic share of the population of Colusa County considerably larger than the Hispanic share of the population of California (39.4% Hispanic). Of the 58 counties in California, Colusa County is ranked #4 in terms of Hispanic residents as a share of the population.

Colusa County is more Hispanic than neighboring Glenn County (43.4% Hispanic), Lake County (22.7% Hispanic), Sutter County (31.7% Hispanic), Yolo County (33.1% Hispanic), and Napa County (35.4% Hispanic).

Colusa County's Native American/Other Population

442 residents of Colusa County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 2.0%. This makes the Native American/Other share of the population of Colusa County roughly similar to the Native American/Other share of the population of California (1.3% Native American/Other). Of the 58 counties in California, Colusa County is ranked #23 in terms of Native American/Other residents as a share of the population.

Colusa County is more Native American/Other than neighboring Sutter County (1.8% Native American/Other), Yolo County (1.5% Native American/Other), and Napa County (1.3% Native American/Other). Colusa County is less Native American/Other than neighboring Glenn County (2.5% Native American/Other), and Lake County (3.2% Native American/Other).

Colusa County's Multiracial Population

546 residents of Colusa County identify as Multiracial, or 2.5%. This makes the Multiracial share of the population of Colusa County roughly similar to the Multiracial share of the population of California (4.1% Multiracial). Of the 58 counties in California, Colusa County is ranked #56 in terms of Multiracial residents as a share of the population.

Colusa County is less Multiracial than neighboring Glenn County (3.5% Multiracial), Lake County (6.2% Multiracial), Sutter County (5.2% Multiracial), Yolo County (5.5% Multiracial), and Napa County (4.2% Multiracial).

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