Washington County Demographics

A map of Washington County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	4,023	4,057	83.3%	84.2%
Hispanic	569	516	11.8%	10.7%
Multiracial	127	167	2.6%	3.5%
Black	53	24	1.1%	0.5%
Native American/Other	32	38	0.7%	0.8%
Asian	27	15	0.6%	0.3%

Washington County, Colorado has an estimated population of 4,831, a less than 1% change from the 4,817 recorded in the 2020 Census. The population is 83.3% White, 11.8% Hispanic, 2.6% Multiracial, 1.1% Black, 0.7% Native American/Other, and 0.6% Asian. 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 more racially diverse since the 2020 Census. It is considerably less diverse than Colorado 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 27.8% in 2020 and 29.2% in the most recent ACS estimates.

Washington County is ranked the 53rd most populous county in Colorado, out of 64 counties. Washington County was ranked the 52nd most populous county in the 2020 Census.

Washington County's White Population

4,023 residents of Washington County, or 83.3% of the population, identify as White. The share of White residents in Washington County is significantly higher than in Colorado overall, where 64.8% of the population is White. Washington County ranks 15th statewide in terms of White residents as a share of the population, out of 64 counties.

Since the 2020 Census, Washington County's White population has remained roughly the same. White residents' share of Washington County's population has decreased from 84.2% to 83.3%.

Washington County is more White than neighboring Morgan County (54.6% White), Logan County (75.5% White), Yuma County (66.9% White), Kit Carson County (74.9% White), and Lincoln County (74.1% White).

Washington County's Black Population

53 residents of Washington County, or 1.1% of the population, identify as Black. The share of Black residents in Washington County is slightly lower than in Colorado overall, where 3.8% of the population is Black. Washington County ranks 38th statewide in terms of Black residents as a share of the population, out of 64 counties.

Since the 2020 Census, Washington County's Black population has grown by an estimated 120.8%. Black residents' share of Washington County's population has increased from 0.5% to 1.1%.

Washington County is more Black than neighboring Yuma County (0.3% Black), and Kit Carson County (0.1% Black). Washington County is less Black than neighboring Morgan County (2% Black), Logan County (3.6% Black), and Lincoln County (5.5% Black).

Washington County's Asian Population

27 residents of Washington County, or 0.6% of the population, identify as Asian. The share of Asian residents in Washington County is slightly lower than in Colorado overall, where 3.2% of the population is Asian. Washington County ranks 55th statewide in terms of Asian residents as a share of the population, out of 64 counties.

Since the 2020 Census, Washington County's Asian population has grown by an estimated 80.0%. Asian residents' share of Washington County's population has remained roughly unchanged at 0.6%.

Washington County is more Asian than neighboring Yuma County (0% Asian), Kit Carson County (0.2% Asian), and Lincoln County (0.1% Asian). Washington County is less Asian than neighboring Morgan County (0.7% Asian).

Washington County's Hispanic Population

569 residents of Washington County, or 11.8% of the population, identify as Hispanic. The share of Hispanic residents in Washington County is considerably lower than in Colorado overall, where 22.5% of the population is Hispanic. Washington County ranks 45th statewide in terms of Hispanic residents as a share of the population, out of 64 counties.

Since the 2020 Census, Washington County's Hispanic population has grown by an estimated 10.3%. Hispanic residents' share of Washington County's population has increased from 10.7% to 11.8%.

Washington County is less Hispanic than neighboring Morgan County (38.4% Hispanic), Logan County (17.2% Hispanic), Yuma County (30.3% Hispanic), Kit Carson County (20.2% Hispanic), and Lincoln County (15.2% Hispanic).

Washington County's Native American/Other Population

32 residents of Washington County, or 0.7% 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 Colorado overall, where 1% of the population is Native American/Other. Washington County ranks 52nd statewide in terms of Native American/Other residents as a share of the population, out of 64 counties.

Since the 2020 Census, Washington County's Native American/Other population has declined by an estimated 15.8%. Native American/Other residents' share of Washington County's population has remained roughly unchanged at 0.7%.

Washington County is more Native American/Other than neighboring Morgan County (0.5% Native American/Other). Washington County is less Native American/Other than neighboring Logan County (0.9% Native American/Other), Yuma County (1.2% Native American/Other), and Lincoln County (1.1% Native American/Other).

Washington County's Multiracial Population

127 residents of Washington County, or 2.6% of the population, identify as Multiracial. The share of Multiracial residents in Washington County is comparable to the share in Colorado overall, where 4.6% of the population is Multiracial. Washington County ranks 42nd statewide in terms of Multiracial residents as a share of the population, out of 64 counties.

Since the 2020 Census, Washington County's Multiracial population has declined by an estimated 24.0%. Multiracial residents' share of Washington County's population has decreased from 3.5% to 2.6%.

Washington County is more Multiracial than neighboring Logan County (2.1% Multiracial), and Yuma County (1.4% Multiracial). Washington County is less Multiracial than neighboring Morgan County (3.8% Multiracial), Kit Carson County (4% Multiracial), and Lincoln County (4% 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.