Yuma County Demographics

A map of Yuma County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Hispanic	137,437	130,003	64.9%	63.8%
White	61,349	61,123	29.0%	30.0%
Multiracial	4,965	4,225	2.3%	2.1%
Black	3,219	3,484	1.5%	1.7%
Native American/Other	2,607	2,725	1.2%	1.3%
Asian	2,164	2,321	1.0%	1.1%

Yuma County, Arizona has an estimated population of 211,741, an increase from the 203,881 recorded in the 2020 Census. The population is 64.9% Hispanic, 29.0% White, 2.3% Multiracial, 1.5% Black, 1.2% Native American/Other, and 1.0% Asian. This demographic dot map shows the population of Yuma County, with one dot drawn for each person counted by the Census, color-coded by race.

Yuma has become slightly less racially diverse since the 2020 Census. It is considerably less diverse than Arizona overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Yuma County, that probability was 50.2% in 2020 and 49.4% in the most recent ACS estimates.

Yuma County is ranked the 6th most populous county in Arizona, out of 15 counties. Yuma County was ranked the 6th most populous county in the 2020 Census.

Yuma County's White Population

61,349 residents of Yuma County, or 29.0% of the population, identify as White. The share of White residents in Yuma County is significantly lower than in Arizona overall, where 52.6% of the population is White. Yuma County ranks 13th statewide in terms of White residents as a share of the population, out of 15 counties.

Since the 2020 Census, Yuma County's White population has remained roughly the same. White residents' share of Yuma County's population has decreased from 30.0% to 29.0%.

Yuma County is more White than neighboring Imperial County (9.1% White). Yuma County is less White than neighboring La Paz County (57.3% White), Maricopa County (52.5% White), Pima County (50.5% White), and Yavapai County (77.4% White).

Yuma County's Black Population

3,219 residents of Yuma County, or 1.5% of the population, identify as Black. The share of Black residents in Yuma County is slightly lower than in Arizona overall, where 4.4% of the population is Black. Yuma County ranks 5th statewide in terms of Black residents as a share of the population, out of 15 counties.

Since the 2020 Census, Yuma County's Black population has declined by an estimated 7.6%. Black residents' share of Yuma County's population has remained roughly unchanged at 1.5%.

Yuma County is more Black than neighboring La Paz County (1.4% Black), and Yavapai County (0.5% Black). Yuma County is less Black than neighboring Imperial County (2% Black), Maricopa County (5.4% Black), and Pima County (3.3% Black).

Yuma County's Asian Population

2,164 residents of Yuma County, or 1.0% of the population, identify as Asian. The share of Asian residents in Yuma County is slightly lower than in Arizona overall, where 3.5% of the population is Asian. Yuma County ranks 8th statewide in terms of Asian residents as a share of the population, out of 15 counties.

Since the 2020 Census, Yuma County's Asian population has declined by an estimated 6.8%. Asian residents' share of Yuma County's population has remained roughly unchanged at 1.0%.

Yuma County is less Asian than neighboring La Paz County (1.4% Asian), Imperial County (1.3% Asian), Maricopa County (4.5% Asian), Pima County (2.9% Asian), and Yavapai County (1.1% Asian).

Yuma County's Hispanic Population

137,437 residents of Yuma County, or 64.9% of the population, identify as Hispanic. The share of Hispanic residents in Yuma County is significantly higher than in Arizona overall, where 31.4% of the population is Hispanic. Yuma County ranks 2nd statewide in terms of Hispanic residents as a share of the population, out of 15 counties.

Since the 2020 Census, Yuma County's Hispanic population has grown by an estimated 5.7%. Hispanic residents' share of Yuma County's population has increased from 63.8% to 64.9%.

Yuma County is more Hispanic than neighboring La Paz County (25.6% Hispanic), Maricopa County (31.2% Hispanic), Pima County (36.4% Hispanic), and Yavapai County (15.4% Hispanic). Yuma County is less Hispanic than neighboring Imperial County (86% Hispanic).

Yuma County's Native American/Other Population

2,607 residents of Yuma County, or 1.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Yuma County is slightly lower than in Arizona overall, where 3.8% of the population is Native American/Other. Yuma County ranks 14th statewide in terms of Native American/Other residents as a share of the population, out of 15 counties.

Since the 2020 Census, Yuma County's Native American/Other population has declined by an estimated 4.3%. Native American/Other residents' share of Yuma County's population has remained roughly unchanged at 1.2%.

Yuma County is more Native American/Other than neighboring Imperial County (0.8% Native American/Other). Yuma County is less Native American/Other than neighboring La Paz County (11% Native American/Other), Maricopa County (1.9% Native American/Other), Pima County (2.5% Native American/Other), and Yavapai County (1.7% Native American/Other).

Yuma County's Multiracial Population

4,965 residents of Yuma County, or 2.3% of the population, identify as Multiracial. The share of Multiracial residents in Yuma County is slightly lower than in Arizona overall, where 4.4% of the population is Multiracial. Yuma County ranks 13th statewide in terms of Multiracial residents as a share of the population, out of 15 counties.

Since the 2020 Census, Yuma County's Multiracial population has grown by an estimated 17.5%. Multiracial residents' share of Yuma County's population has remained roughly unchanged at 2.3%.

Yuma County is more Multiracial than neighboring Imperial County (0.9% Multiracial). Yuma County is less Multiracial than neighboring La Paz County (3.3% Multiracial), Maricopa County (4.5% Multiracial), Pima County (4.3% Multiracial), and Yavapai County (3.9% 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.