Demographics of Washington County, Colorado

Washington County, Colorado had 4,732 people on July 1, 2025, by the Census Bureau’s estimate: −78 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Washington County, in four figures

4,732
Population: July 1, 2025, Vintage 2025 estimate.; −1.6%
Change since July 2020: −78 people.; 41.3 ±0.9
Median age: ACS 2020–⁠2024.; $67,167 ±$4,701
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Washington County, Colorado's population shrank 1.6% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Washington County, Colorado's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Washington County, Colorado's population shrank 1.6% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Washington County, Colorado's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	4,810	100.0	100.0
2021	4,865	101.1	100.2
2022	4,839	100.6	100.7
2023	4,849	100.8	101.6
2024	4,748	98.7	102.5
2025	4,732	98.4	103.1

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Population of Washington County, Colorado on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	4,810	−6	−9	0	+3
2021	4,865	+55	−21	+1	+75
2022	4,839	−26	−25	+7	−9
2023	4,849	+10	−14	+10	+16
2024	4,748	−101	−13	+12	−100
2025	4,732	−16	−7	+4	−14

Age, 2020–2024

The median age is 41.3 ±0.9: for men 39.4 ±1.3 and for women 43.1 ±1.8. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Washington County by age, ACS 2020–2024
Age	People	Share	Colorado	United States
Under 5	252 ±34	5.2% ±0.7	5.3% ±<0.1	5.6% ±<0.1
5 to 17	819 ±73	17.0% ±1.5	15.7% ±0.1	16.3% ±<0.1
18 to 24	322 ±70	6.7% ±1.5	9.1% ±0.1	9.1% ±<0.1
25 to 44	1,194 ±95	24.7% ±2.0	30.3% ±0.1	26.9% ±<0.1
45 to 64	1,158 ±72	24.0% ±1.5	23.9% ±0.1	24.8% ±<0.1
65 and over	1,086 ±108	22.5% ±2.2	15.6% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $67,167 ±$4,701, and income per person $36,774 ±$2,475, in 2024 dollars. The median is $95,470 ±$578 in Colorado and $80,734 ±$166 in the United States.

Households by income

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Households in Washington County by income, ACS 2020–2024
Household income	Households	Share	Colorado	United States
Under $25,000	335 ±63	16.2% ±3.0	11.2% ±0.2	14.6% ±<0.1
$25,000 to $49,999	415 ±77	20.0% ±3.6	13.6% ±0.2	16.7% ±<0.1
$50,000 to $74,999	453 ±72	21.9% ±3.4	14.6% ±0.2	15.5% ±<0.1
$75,000 to $99,999	235 ±49	11.4% ±2.3	12.8% ±0.2	12.6% ±<0.1
$100,000 to $149,999	326 ±70	15.7% ±3.3	19.2% ±0.2	17.5% ±<0.1
$150,000 to $199,999	189 ±74	9.1% ±3.6	11.7% ±0.2	9.6% ±<0.1
$200,000 or more	117 ±43	5.7% ±2.1	17.0% ±0.2	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Washington County by age, ACS 2020–2024
Age	Below poverty	Rate	Colorado	United States
All ages	375 ±100	8.1% ±2.2	9.4% ±0.2	12.5% ±0.1
Under 18	41 to 145	3.9% to 13.6%	11.1% ±0.3	16.1% ±0.1
18 to 59	182 ±52	8.2% ±2.3	9.1% ±0.2	11.6% ±0.1
60 and over	100 ±31	7.4% ±2.2	8.7% ±0.2	11.0% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Housing, 2020–2024

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Housing in Washington County, ACS 2020–2024
Measure	Washington County	Colorado	United States
Housing units	2,287 ±23	2,589,053 ±653	143,775,355 ±10,234
Occupied	90.5% ±2.7	91.7% ±0.2	89.9% ±0.1
Vacant	9.5% ±2.7	8.3% ±0.2	10.1% ±0.1
Owner occupied	73.6% ±2.9	66.2% ±0.3	65.2% ±0.3
Renter occupied	26.4% ±3.1	33.8% ±0.3	34.8% ±0.1
Median home value	$226,200 ±$9,019	$539,400 ±$2,069	$332,700 ±$236
Median gross rent	$947 ±$93	$1,761 ±$7	$1,413 ±$2
Median year built	1958 ±3	1988 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Washington County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Colorado	United States
Hispanic or Latino	569 ±0	11.8% ±<0.1	22.5% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	4,023 ±31	83.3% ±0.6	64.8% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	18 to 88	0.4% to 1.8%	3.8% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	13 to 41	0.3% to 0.8%	3.2% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 14	0% to 0.3%	0.4% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 14	0% to 0.3%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	4 to 60	0.1% to 1.2%	0.5% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	127 ±40	2.6% ±0.8	4.6% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Washington County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Colorado	United States
Born in the state	3,432 ±124	71.0% ±2.6	41.2% ±0.2	57.3% ±<0.1
Born in another state	1,190 ±120	24.6% ±2.5	47.2% ±0.2	26.9% ±<0.1
Born a citizen outside the states	4 to 28	0.1% to 0.6%	1.7% ±0.1	1.7% ±<0.1
Born abroad	193 ±42	4.0% ±0.9	9.8% ±0.1	14.1% ±<0.1
Naturalized citizens	92 ±39	1.9% ±0.8	4.7% ±0.1	7.4% ±<0.1
Not citizens	101 ±39	2.1% ±0.8	5.2% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Washington County among the counties of Colorado

53rd of 64 by population, July 2025. Every one is listed on the Colorado page.

Counties of Colorado near Washington County in population, July 2025
County	July 2025	Change since 2020
Bent County	5,716	+4.5%
Crowley County	5,677	−0.5%
Lincoln County	5,645	−0.4%
Custer County	5,590	+18.3%
Ouray County	5,265	+7.9%
Washington County	4,732	−1.6%
Phillips County	4,420	−2.4%
Costilla County	3,679	+5.1%
Baca County	3,347	−3.8%
Dolores County	2,466	+5.8%
Sedgwick County	2,247	−6.0%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026