Yolo County Demographics

A map of Yolo County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	92,161	93,911	41.8%	43.4%
Hispanic	73,569	71,700	33.4%	33.1%
Asian	32,943	29,872	14.9%	13.8%
Multiracial	13,459	11,893	6.1%	5.5%
Black	5,323	5,722	2.4%	2.6%
Native American/Other	3,109	3,305	1.4%	1.5%

Yolo County, California has an estimated population of 220,564, a slight increase from the 216,403 recorded in the 2020 Census. The population is 41.8% White, 33.4% Hispanic, 14.9% Asian, 6.1% Multiracial, 2.4% Black, and 1.4% Native American/Other. This demographic dot map shows the population of Yolo County, with one dot drawn for each person counted by the Census, color-coded by race.

Yolo has become slightly more racially diverse since the 2020 Census. It is slightly less diverse than California overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Yolo County, that probability was 67.9% in 2020 and 68.7% in the most recent ACS estimates.

Yolo County is ranked the 27th most populous county in California, out of 58 counties. Yolo County was ranked the 27th most populous county in the 2020 Census.

Yolo County's White Population

92,161 residents of Yolo County, or 41.8% of the population, identify as White. The share of White residents in Yolo County is higher than in California overall, where 33.8% of the population is White. Yolo County ranks 31st statewide in terms of White residents as a share of the population, out of 58 counties.

Since the 2020 Census, Yolo County's White population has declined by an estimated 1.9%. White residents' share of Yolo County's population has decreased from 43.4% to 41.8%.

Yolo County is more White than neighboring Sutter County (40.7% White), Solano County (33.2% White), Colusa County (29.8% White), and Sacramento County (40.6% White). Yolo County is less White than neighboring Napa County (48.6% White).

Yolo County's Black Population

5,323 residents of Yolo County, or 2.4% of the population, identify as Black. The share of Black residents in Yolo County is slightly lower than in California overall, where 5.2% of the population is Black. Yolo County ranks 19th statewide in terms of Black residents as a share of the population, out of 58 counties.

Since the 2020 Census, Yolo County's Black population has declined by an estimated 7.0%. Black residents' share of Yolo County's population has remained roughly unchanged at 2.4%.

Yolo County is more Black than neighboring Sutter County (1.6% Black), Napa County (1.7% Black), and Colusa County (1.5% Black). Yolo County is less Black than neighboring Solano County (12.3% Black), and Sacramento County (9% Black).

Yolo County's Asian Population

32,943 residents of Yolo County, or 14.9% of the population, identify as Asian. The share of Asian residents in Yolo County is comparable to the share in California overall, where 15.3% of the population is Asian. Yolo County ranks 12th statewide in terms of Asian residents as a share of the population, out of 58 counties.

Since the 2020 Census, Yolo County's Asian population has grown by an estimated 10.3%. Asian residents' share of Yolo County's population has increased from 13.8% to 14.9%.

Yolo County is more Asian than neighboring Napa County (8.1% Asian), and Colusa County (0.9% Asian). Yolo County is less Asian than neighboring Sutter County (17.5% Asian), Solano County (15.9% Asian), and Sacramento County (17.6% Asian).

Yolo County's Hispanic Population

73,569 residents of Yolo County, or 33.4% of the population, identify as Hispanic. The share of Hispanic residents in Yolo County is lower than in California overall, where 40.2% of the population is Hispanic. Yolo County ranks 23rd statewide in terms of Hispanic residents as a share of the population, out of 58 counties.

Since the 2020 Census, Yolo County's Hispanic population has grown by an estimated 2.6%. Hispanic residents' share of Yolo County's population has remained roughly unchanged at 33.4%.

Yolo County is more Hispanic than neighboring Sutter County (32.9% Hispanic), Solano County (29.6% Hispanic), and Sacramento County (24.2% Hispanic). Yolo County is less Hispanic than neighboring Napa County (36.4% Hispanic), and Colusa County (62.9% Hispanic).

Yolo County's Native American/Other Population

3,109 residents of Yolo County, or 1.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Yolo County is comparable to the share in California overall, where 1.2% of the population is Native American/Other. Yolo County ranks 33rd statewide in terms of Native American/Other residents as a share of the population, out of 58 counties.

Since the 2020 Census, Yolo County's Native American/Other population has declined by an estimated 5.9%. Native American/Other residents' share of Yolo County's population has remained roughly unchanged at 1.4%.

Yolo County is more Native American/Other than neighboring Napa County (0.9% Native American/Other). Yolo County is less Native American/Other than neighboring Sutter County (2.3% Native American/Other), Solano County (2% Native American/Other), Colusa County (2.4% Native American/Other), and Sacramento County (2% Native American/Other).

Yolo County's Multiracial Population

13,459 residents of Yolo County, or 6.1% of the population, identify as Multiracial. The share of Multiracial residents in Yolo County is comparable to the share in California overall, where 4.4% of the population is Multiracial. Yolo County ranks 21st statewide in terms of Multiracial residents as a share of the population, out of 58 counties.

Since the 2020 Census, Yolo County's Multiracial population has grown by an estimated 13.2%. Multiracial residents' share of Yolo County's population has increased from 5.5% to 6.1%.

Yolo County is more Multiracial than neighboring Sutter County (5.1% Multiracial), Napa County (4.4% Multiracial), and Colusa County (2.5% Multiracial). Yolo County is less Multiracial than neighboring Solano County (6.9% Multiracial), and Sacramento County (6.7% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.