Demographics of Rio Grande County, Colorado

Rio Grande County, Colorado had 11,087 people on July 1, 2025, by the Census Bureau’s estimate: −451 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.

Rio Grande County, in four figures

11,087
Population: July 1, 2025, Vintage 2025 estimate.; −3.9%
Change since July 2020: −451 people.; 41.7 ±1.5
Median age: ACS 2020–⁠2024.; $64,411 ±$8,434
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.

Rio Grande County, Colorado's population shrank 3.9% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Rio Grande 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

Rio Grande County, Colorado's population shrank 3.9% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Rio Grande 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	11,538	100.0	100.0
2021	11,403	98.8	100.2
2022	11,315	98.1	100.7
2023	11,196	97.0	101.6
2024	11,143	96.6	102.5
2025	11,087	96.1	103.1

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Population of Rio Grande 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	11,538	−1	−13	0	+10
2021	11,403	−135	−42	+1	−98
2022	11,315	−88	−66	−2	−18
2023	11,196	−119	−13	−3	−101
2024	11,143	−53	−26	−2	−24
2025	11,087	−56	−26	−6	−25

Age, 2020–2024

The median age is 41.7 ±1.5: for men 41.7 ±1.4 and for women 41.7 ±3.9. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Rio Grande County by age, ACS 2020–2024
Age	People	Share	Colorado	United States
Under 5	562 ±180	5.0% ±1.6	5.3% ±<0.1	5.6% ±<0.1
5 to 17	1,719 ±214	15.2% ±1.9	15.7% ±0.1	16.3% ±<0.1
18 to 24	850 ±230	7.5% ±2.0	9.1% ±0.1	9.1% ±<0.1
25 to 44	2,911 ±385	25.7% ±3.4	30.3% ±0.1	26.9% ±<0.1
45 to 64	2,701 ±263	23.9% ±2.3	23.9% ±0.1	24.8% ±<0.1
65 and over	2,578 ±274	22.8% ±2.4	15.6% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $64,411 ±$8,434, and income per person $39,615 ±$4,518, 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 Rio Grande County by income, ACS 2020–2024
Household income	Households	Share	Colorado	United States
Under $25,000	1,073 ±278	20.9% ±5.3	11.2% ±0.2	14.6% ±<0.1
$25,000 to $49,999	918 ±226	17.9% ±4.3	13.6% ±0.2	16.7% ±<0.1
$50,000 to $74,999	888 ±204	17.3% ±3.9	14.6% ±0.2	15.5% ±<0.1
$75,000 to $99,999	647 ±171	12.6% ±3.3	12.8% ±0.2	12.6% ±<0.1
$100,000 to $149,999	1,004 ±292	19.6% ±5.6	19.2% ±0.2	17.5% ±<0.1
$150,000 to $199,999	321 ±116	6.3% ±2.2	11.7% ±0.2	9.6% ±<0.1
$200,000 or more	282 ±96	5.5% ±1.9	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 Rio Grande County by age, ACS 2020–2024
Age	Below poverty	Rate	Colorado	United States
All ages	1,988 ±598	18.0% ±5.4	9.4% ±0.2	12.5% ±0.1
Under 18	507 ±170	23.4% ±7.4	11.1% ±0.3	16.1% ±0.1
18 to 59	1,057 ±397	19.0% ±6.8	9.1% ±0.2	11.6% ±0.1
60 and over	424 ±127	12.8% ±3.7	8.7% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Rio Grande County, ACS 2020–2024
Measure	Rio Grande County	Colorado	United States
Housing units	6,616 ±25	2,589,053 ±653	143,775,355 ±10,234
Occupied	77.6% ±3.4	91.7% ±0.2	89.9% ±0.1
Vacant	22.4% ±3.5	8.3% ±0.2	10.1% ±0.1
Owner occupied	67.1% ±3.8	66.2% ±0.3	65.2% ±0.3
Renter occupied	32.9% ±5.3	33.8% ±0.3	34.8% ±0.1
Median home value	$239,500 ±$11,591	$539,400 ±$2,069	$332,700 ±$236
Median gross rent	$945 ±$141	$1,761 ±$7	$1,413 ±$2
Median year built	1978 ±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 Rio Grande County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Colorado	United States
Hispanic or Latino	4,607 ±0	40.7% ±<0.1	22.5% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	6,193 ±58	54.7% ±0.5	64.8% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	6 to 70	0.1% to 0.6%	3.8% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 35	0% to 0.3%	3.2% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	34 to 218	0.3% to 1.9%	0.4% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 21	0% to 0.2%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 61	0% to 0.5%	0.5% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	317 ±117	2.8% ±1.0	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 Rio Grande County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Colorado	United States
Born in the state	6,703 ±368	59.2% ±3.3	41.2% ±0.2	57.3% ±<0.1
Born in another state	4,138 ±345	36.6% ±3.0	47.2% ±0.2	26.9% ±<0.1
Born a citizen outside the states	16 to 74	0.1% to 0.7%	1.7% ±0.1	1.7% ±<0.1
Born abroad	210 to 660	1.9% to 5.8%	9.8% ±0.1	14.1% ±<0.1
Naturalized citizens	14 to 138	0.1% to 1.2%	4.7% ±0.1	7.4% ±<0.1
Not citizens	138 to 580	1.2% to 5.1%	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%.

Rio Grande County among the counties of Colorado

37th of 64 by population, July 2025. Every one is listed on the Colorado page.

Counties of Colorado near Rio Grande County in population, July 2025
County	July 2025	Change since 2020
Grand County	16,496	+4.7%
Las Animas County	14,391	−0.7%
Archuleta County	14,306	+6.6%
Moffat County	13,122	−1.1%
Prowers County	11,884	−1.1%
Rio Grande County	11,087	−3.9%
Yuma County	9,896	−0.8%
Clear Creek County	8,994	−3.9%
San Miguel County	7,753	−3.7%
Lake County	7,552	+1.9%
Conejos County	7,529	+1.0%

Elsewhere on the site

Rankings this appears in

No. 1 Counties in Colorado by poverty rate
No. 7 Counties in Colorado by Hispanic or Latino share
No. 22 Counties in Colorado by median age
No. 24 Counties in Colorado by per capita income
No. 25 Counties in Colorado by homeownership rate
No. 28 Counties in Colorado by median household income

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