Demographics of San Juan County, Colorado

San Juan County, Colorado had 813 people on July 1, 2025, by the Census Bureau’s estimate: +103 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.

San Juan County, in four figures

813
Population: July 1, 2025, Vintage 2025 estimate.; +14.5%
Change since July 2020: +103 people.; 37.5 ±6.9
Median age: ACS 2020–⁠2024.; $77,824 ±$31,042
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.

San Juan County, Colorado's population grew 14.5% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of San Juan 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).

Source: The Census Bureau

About this chart

The figures

San Juan County, Colorado's population grew 14.5% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of San Juan 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	710	100.0	100.0
2021	739	104.1	100.2
2022	801	112.8	100.7
2023	802	113.0	101.6
2024	821	115.6	102.5
2025	813	114.5	103.1

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Population of San Juan 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	710	+6	−2	0	+9
2021	739	+29	−2	0	+35
2022	801	+62	−5	0	+59
2023	802	+1	+6	0	−5
2024	821	+19	−3	−1	+22
2025	813	−8	−2	−3	−3

Age, 2020–2024

The median age is 37.5 ±6.9: for men 35.5 ±7.1 and for women 39.9 ±11.7. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in San Juan County by age, ACS 2020–2024
Age	People	Share	Colorado	United States
Under 5	6 to 68	0.9% to 9.4%	5.3% ±<0.1	5.6% ±<0.1
5 to 17	16 to 96	2.4% to 13.1%	15.7% ±0.1	16.3% ±<0.1
18 to 24	0 to 109	0% to 15.0%	9.1% ±0.1	9.1% ±<0.1
25 to 44	331 ±91	45.7% ±10.6	30.3% ±0.1	26.9% ±<0.1
45 to 64	124 ±49	17.1% ±6.3	23.9% ±0.1	24.8% ±<0.1
65 and over	134 ±57	18.5% ±7.4	15.6% ±0.1	17.2% ±<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%.

Income and poverty, 2020–2024

Median household income is $77,824 ±$31,042, and income per person $43,597 ±$10,866, 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 San Juan County by income, ACS 2020–2024
Household income	Households	Share	Colorado	United States
Under $25,000	47 to 167	12.5% to 41.1%	11.2% ±0.2	14.6% ±<0.1
$25,000 to $49,999	0 to 58	0% to 14.6%	13.6% ±0.2	16.7% ±<0.1
$50,000 to $74,999	8 to 118	2.2% to 29.4%	14.6% ±0.2	15.5% ±<0.1
$75,000 to $99,999	75 ±36	18.8% ±8.4	12.8% ±0.2	12.6% ±<0.1
$100,000 to $149,999	42 to 122	20.6% ±9.5	19.2% ±0.2	17.5% ±<0.1
$150,000 to $199,999	11 to 65	3.0% to 16.1%	11.7% ±0.2	9.6% ±<0.1
$200,000 or more	0 to 18	0% to 4.5%	17.0% ±0.2	13.4% ±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%.

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 San Juan County by age, ACS 2020–2024
Age	Below poverty	Rate	Colorado	United States
All ages	55 to 253	8.0% to 34.6%	9.4% ±0.2	12.5% ±0.1
Under 18	0 to 81	0% to 79.8%	11.1% ±0.3	16.1% ±0.1
18 to 59	33 to 173	8.9% to 37.9%	9.1% ±0.2	11.6% ±0.1
60 and over	0 to 38	0% to 19.7%	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 San Juan County, ACS 2020–2024
Measure	San Juan County	Colorado	United States
Housing units	738 ±67	2,589,053 ±653	143,775,355 ±10,234
Occupied	54.1% ±8.0	91.7% ±0.2	89.9% ±0.1
Vacant	45.9% ±6.0	8.3% ±0.2	10.1% ±0.1
Owner occupied	52.9% ±8.2	66.2% ±0.3	65.2% ±0.3
Renter occupied	47.1% ±16.7	33.8% ±0.3	34.8% ±0.1
Median home value	$432,500 ±$140,586	$539,400 ±$2,069	$332,700 ±$236
Median gross rent	$992 ±$479	$1,761 ±$7	$1,413 ±$2
Median year built	1979 ±5	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 San Juan County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Colorado	United States
Hispanic or Latino	40 to 224	5.8% to 30.7%	22.5% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	552 ±107	76.2% ±9.6	64.8% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	0 to 14	0% to 1.9%	3.8% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 14	0% to 1.9%	3.2% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 17	0% to 2.3%	0.4% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 14	0% to 1.9%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 14	0% to 1.9%	0.5% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	10 to 56	1.5% to 7.7%	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 San Juan County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Colorado	United States
Born in the state	236 ±112	32.6% ±14.7	41.2% ±0.2	57.3% ±<0.1
Born in another state	408 ±96	56.4% ±10.3	47.2% ±0.2	26.9% ±<0.1
Born a citizen outside the states	0 to 14	0% to 1.9%	1.7% ±0.1	1.7% ±<0.1
Born abroad	0 to 186	0% to 25.6%	9.8% ±0.1	14.1% ±<0.1
Naturalized citizens	0 to 7	0% to 1.0%	4.7% ±0.1	7.4% ±<0.1
Not citizens	0 to 183	0% to 25.2%	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%.

San Juan County among the counties of Colorado

63rd of 64 by population, July 2025. Every one is listed on the Colorado page.

Counties of Colorado near San Juan County in population, July 2025
County	July 2025	Change since 2020
Sedgwick County	2,247	−6.0%
Cheyenne County	1,713	−1.9%
Kiowa County	1,412	−2.8%
Jackson County	1,211	−12.2%
Mineral County	910	+4.6%
San Juan County	813	+14.5%
Hinsdale County	753	−4.6%

Elsewhere on the site

Rankings this appears in

No. 3 Counties by population growth in Colorado
No. 5 Counties in Colorado by median household income
No. 13 Counties in Colorado by median home value
No. 14 Counties in Colorado by per capita income
No. 19 Counties in Colorado by median rent
No. 20 Counties in Colorado by median age

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

Compiled automatically from Census Bureau population estimates — counties and Puerto Rico municipios, with components of change and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026