Mendocino County Demographics

A map of Mendocino County's Population by Race

Mendocino County, California had a population of 91,601 in 2020. It was 61.4% White, 0.7% Black, 1.9% Asian, 26.1% Hispanic, 4.6% Native American/Other, and 5.3% Multiracial. This map presents the population of Mendocino County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Mendocino County is the 38th most populous county of the 58 counties in California.

Mendocino County's White Population

56,205 residents of Mendocino County identify as White, or 61.4%. This makes the White share of the population of Mendocino County considerably larger than the White share of the population of California (34.7% White). Of the 58 counties in California, Mendocino County is ranked #22 in terms of White residents as a share of the population.

Mendocino County is more White than neighboring Sonoma County (58.5% White), Glenn County (48.1% White), and Colusa County (31.8% White). Mendocino County is less White than neighboring Lake County (64.8% White), and Trinity County (70.6% White).

Mendocino County's Black Population

607 residents of Mendocino County identify as Black, or 0.7%. This makes the Black share of the population of Mendocino County roughly similar to the Black share of the population of California (5.4% Black). Of the 58 counties in California, Mendocino County is ranked #49 in terms of Black residents as a share of the population.

Mendocino County is more Black than neighboring Glenn County (0.5% Black), and Trinity County (0.4% Black). Mendocino County is less Black than neighboring Lake County (1.7% Black), Sonoma County (1.5% Black), and Colusa County (0.8% Black).

Mendocino County's Asian Population

1,730 residents of Mendocino County identify as Asian, or 1.9%. This makes the Asian share of the population of Mendocino County less than the Asian share of the population of California (15.1% Asian). Of the 58 counties in California, Mendocino County is ranked #42 in terms of Asian residents as a share of the population.

Mendocino County is more Asian than neighboring Lake County (1.4% Asian), and Colusa County (1.2% Asian). Mendocino County is less Asian than neighboring Sonoma County (4.5% Asian), Glenn County (2.2% Asian), and Trinity County (13.7% Asian).

Mendocino County's Hispanic Population

23,933 residents of Mendocino County identify as Hispanic, or 26.1%. This makes the Hispanic share of the population of Mendocino County less than the Hispanic share of the population of California (39.4% Hispanic). Of the 58 counties in California, Mendocino County is ranked #31 in terms of Hispanic residents as a share of the population.

Mendocino County is more Hispanic than neighboring Lake County (22.7% Hispanic), and Trinity County (5.8% Hispanic). Mendocino County is less Hispanic than neighboring Sonoma County (28.9% Hispanic), Glenn County (43.4% Hispanic), and Colusa County (61.7% Hispanic).

Mendocino County's Native American/Other Population

4,230 residents of Mendocino County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 4.6%. This makes the Native American/Other share of the population of Mendocino 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, Mendocino County is ranked #7 in terms of Native American/Other residents as a share of the population.

Mendocino County is more Native American/Other than neighboring Lake County (3.2% Native American/Other), Sonoma County (1.6% Native American/Other), Glenn County (2.5% Native American/Other), Colusa County (2% Native American/Other), and Trinity County (3.4% Native American/Other).

Mendocino County's Multiracial Population

4,896 residents of Mendocino County identify as Multiracial, or 5.3%. This makes the Multiracial share of the population of Mendocino County roughly similar to the Multiracial share of the population of California (4.1% Multiracial). Of the 58 counties in California, Mendocino County is ranked #24 in terms of Multiracial residents as a share of the population.

Mendocino County is more Multiracial than neighboring Sonoma County (5% Multiracial), Glenn County (3.5% Multiracial), and Colusa County (2.5% Multiracial). Mendocino County is less Multiracial than neighboring Lake County (6.2% Multiracial), and Trinity County (6.1% Multiracial).

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