Washington County Demographics

A map of Washington County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	159,646	147,462	81.3%	81.8%
Hispanic	23,790	20,482	12.1%	11.4%
Multiracial	7,158	5,816	3.6%	3.2%
Native American/Other	2,838	3,804	1.4%	2.1%
Asian	2,232	1,802	1.1%	1.0%
Black	767	913	0.4%	0.5%

Washington County, Utah has an estimated population of 196,431, an increase from the 180,279 recorded in the 2020 Census. The population is 81.3% White, 12.1% Hispanic, 3.6% Multiracial, 1.4% Native American/Other, 1.1% Asian, and 0.4% Black. This demographic dot map shows the population of Washington County, with one dot drawn for each person counted by the Census, color-coded by race.

Washington has become slightly more racially diverse since the 2020 Census. It is considerably less diverse than Utah overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Washington County, that probability was 31.6% in 2020 and 32.3% in the most recent ACS estimates.

Washington County is ranked the 5th most populous county in Utah, out of 29 counties. Washington County was ranked the 5th most populous county in the 2020 Census.

Washington County's White Population

159,646 residents of Washington County, or 81.3% of the population, identify as White. The share of White residents in Washington County is higher than in Utah overall, where 74.7% of the population is White. Washington County ranks 18th statewide in terms of White residents as a share of the population, out of 29 counties.

Since the 2020 Census, Washington County's White population has grown by an estimated 8.3%. White residents' share of Washington County's population has decreased from 81.8% to 81.3%.

Washington County is more White than neighboring Mohave County (74.9% White). Washington County is less White than neighboring Iron County (83% White), Beaver County (83.6% White), Lincoln County (84.6% White), and Kane County (87.4% White).

Washington County's Black Population

767 residents of Washington County, or 0.4% of the population, identify as Black. The share of Black residents in Washington County is comparable to the share in Utah overall, where 1.1% of the population is Black. Washington County ranks 10th statewide in terms of Black residents as a share of the population, out of 29 counties.

Since the 2020 Census, Washington County's Black population has declined by an estimated 16.0%. Black residents' share of Washington County's population has remained roughly unchanged at 0.4%.

Washington County is more Black than neighboring Beaver County (0.3% Black), and Kane County (0.2% Black). Washington County is less Black than neighboring Iron County (0.7% Black), Lincoln County (2.8% Black), and Mohave County (1% Black).

Washington County's Asian Population

2,232 residents of Washington County, or 1.1% of the population, identify as Asian. The share of Asian residents in Washington County is comparable to the share in Utah overall, where 2.4% of the population is Asian. Washington County ranks 9th statewide in terms of Asian residents as a share of the population, out of 29 counties.

Since the 2020 Census, Washington County's Asian population has grown by an estimated 23.9%. Asian residents' share of Washington County's population has remained roughly unchanged at 1.1%.

Washington County is more Asian than neighboring Beaver County (0% Asian), Lincoln County (0% Asian), and Kane County (0.1% Asian). Washington County is less Asian than neighboring Iron County (1.2% Asian).

Washington County's Hispanic Population

23,790 residents of Washington County, or 12.1% of the population, identify as Hispanic. The share of Hispanic residents in Washington County is slightly lower than in Utah overall, where 15.9% of the population is Hispanic. Washington County ranks 10th statewide in terms of Hispanic residents as a share of the population, out of 29 counties.

Since the 2020 Census, Washington County's Hispanic population has grown by an estimated 16.2%. Hispanic residents' share of Washington County's population has increased from 11.4% to 12.1%.

Washington County is more Hispanic than neighboring Iron County (10.5% Hispanic), Lincoln County (6.6% Hispanic), and Kane County (5% Hispanic). Washington County is less Hispanic than neighboring Beaver County (15% Hispanic), and Mohave County (17.1% Hispanic).

Washington County's Native American/Other Population

2,838 residents of Washington 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 Washington County is comparable to the share in Utah overall, where 1.9% of the population is Native American/Other. Washington County ranks 7th statewide in terms of Native American/Other residents as a share of the population, out of 29 counties.

Since the 2020 Census, Washington County's Native American/Other population has declined by an estimated 25.4%. Native American/Other residents' share of Washington County's population has decreased from 2.1% to 1.4%.

Washington County is more Native American/Other than neighboring Beaver County (0.4% Native American/Other). Washington County is less Native American/Other than neighboring Iron County (1.8% Native American/Other), Lincoln County (3.1% Native American/Other), Mohave County (1.7% Native American/Other), and Kane County (3.1% Native American/Other).

Washington County's Multiracial Population

7,158 residents of Washington County, or 3.6% of the population, identify as Multiracial. The share of Multiracial residents in Washington County is comparable to the share in Utah overall, where 4% of the population is Multiracial. Washington County ranks 10th statewide in terms of Multiracial residents as a share of the population, out of 29 counties.

Since the 2020 Census, Washington County's Multiracial population has grown by an estimated 23.1%. Multiracial residents' share of Washington County's population has remained roughly unchanged at 3.6%.

Washington County is more Multiracial than neighboring Iron County (2.8% Multiracial), Beaver County (0.7% Multiracial), and Lincoln County (2.9% Multiracial). Washington County is less Multiracial than neighboring Mohave County (4.1% Multiracial), and Kane County (4.1% 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.