County · Colorado

Rio Grande County, Colorado

Rio Grande County, Colorado. Rio Grande County had 11,087 residents in 2025 by the Census Bureau's estimate, down 3.9% since 2020, while Colorado grew 4.1%. It holds 6 places (4 cities, villages and boroughs and 2 census-designated) and 4 census tracts. GEOID 08105.

Residents, July 2025 estimate

11,087

Census Bureau estimate (no margin published)
2020 Census count: 11,539 · ACS 2020-2024: 11,321

Median household income

$64,411

±$8,434 (90% margin)
Colorado: $95,470

Median home value

$239,500

±$11,591 (90% margin)
Colorado: $539,400

Median gross rent

$945

±$141 (90% margin)
Colorado: $1,761

How many people live in Rio Grande County, and is it growing?

The 2020 Census counted 11,539 residents in Rio Grande County. The Census Bureau estimates 11,087 for July 1, 2025, down 3.9% since 2020, while Colorado grew 4.1%. The 2020-2024 American Community Survey puts the population at 11,321 over 912 square miles of land.

  • July 2020→2021 −135 (11,403)
  • 2021→2022 −88 (11,315)
  • 2022→2023 −119 (11,196)
  • 2023→2024 −53 (11,143)
  • 2024→2025 −56 (11,087)
Rio Grande County in Colorado. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureRio Grande CountyColoradoChange since 2015-2019
Total population11,3215,862,189+16
Households5,133±2272,374,218no clear change
Average household size2.16±0.102.42no clear change
Housing units6,616±252,589,053−190

Rio Grande County's population since 2000

From 12,413 in 2000 to 11,087 in 2025: down 10.7%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 12,413
  • 2005 (estimate) 12,208
  • 2010 Census 11,982
  • 2015 (estimate) 11,355
  • 2020 Census 11,539
  • 2025 (estimate) 11,087

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Rio Grande County?

Rio Grande County holds 6 places: 4 cities, villages and boroughs (incorporated places) and 2 census-designated places. The largest is Monte Vista with 4,005 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Rio Grande County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Monte Vistacity4,2474,141±14$61,684$224,50030.9%100%
Del Nortetown1,4581,653±241$40,700$184,40018.5%100%
South ForkGEOID 0872395town510724±248$76,250$423,80011.1%100%
GerrardGEOID 0829845CDP264332±158$76,181not published5.4%100%
AlpineGEOID 0801640CDP16975±64not publishednot published0.0%100%
Centertown1,9292,120±261$45,750$126,00019.9%2%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Rio Grande County?

The median resident of Rio Grande County is 41.7 years old; 20.1% are under 18 and 22.8% are 65 or older. The largest group is non-Hispanic white residents at 54.7%, then Hispanic or Latino residents (of any race) at 40.7%. 3.8% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureRio Grande CountyColoradoChange since 2015-2019
Median age41.7±1.537.7no clear change
Under 18 years20.1%±0.4 pts21.0%–
65 years and over22.8%±0.2 pts15.6%–
Hispanic or Latino (any race)40.7%22.5%−3.7 pts
White alone, not Hispanic54.7%±0.5 pts64.8%+2.6 pts
Black or African American alone, not Hispanic0.3%±0.3 pts3.8%–
Asian alone, not Hispanic0.1%±0.2 pts3.2%–
American Indian and Alaska Native alone, not Hispanic1.1%±0.8 pts0.4%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.4 pts0.1%–
Two or more races, not Hispanic2.8%±1.0 pts4.6%–
Some other race alone, not Hispanic0.3%±0.3 pts0.5%–
Born outside the United States3.8%±2.0 pts9.8%no clear change
Speak a language other than English at home (age 5+)17.1%±3.9 pts16.2%–
Civilian veterans (age 18+)6.7%±1.2 pts7.5%–
With a disability17.3%±2.6 pts11.4%–
No health insurance coverage10.7%±3.2 pts7.7%no clear change
High school graduate or higher (age 25+)88.5%±3.3 pts92.9%–
Bachelor's degree or higher (age 25+)34.5%±4.3 pts45.7%+10.0 pts
Graduate or professional degree (age 25+)12.1%±3.3 pts17.6%–
Moved from another state in the past year2.4%±1.2 pts3.8%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Rio Grande County earn?

Half of Rio Grande County's 5,133 households earn less than $64,411 a year (±$8,434), against $95,470 in Colorado. In 2015-2019 the median was $48,148 in 2024 dollars, so it rose by $16,263 after inflation. 18.0% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureRio Grande CountyColoradoChange since 2015-2019
Median household income$64,411±$8,434$95,470+$16,263
Mean household income$85,497±$9,928$128,255–
Per capita income$39,615±$4,518$52,636+$9,362
People below the poverty line18.0%±5.4 pts9.4%no clear change
Children under 18 below the poverty line23.4%±9.2 pts11.1%no clear change
Households receiving SNAP17.0%±4.5 pts8.5%–
Households with a broadband subscription88.2%±3.1 pts93.5%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Rio Grande County?

Owners occupy 67.1% of Rio Grande County's occupied homes and renters 32.9%. The median owner-occupied home is valued at $239,500 by its owner (±$11,591). The median renter pays $945 a month including utilities, and 36.2% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureRio Grande CountyColoradoChange since 2015-2019
Median home value (owner-occupied)$239,500±$11,591$539,400no clear change
Median gross rent$945±$141$1,761no clear change
Renters paying 35% or more of income on rent36.2%±12.3 pts42.7%no clear change
Median monthly owner costs, with a mortgage$1,315±$99$2,326–
Owner-occupied homes67.1%±4.8 pts66.2%no clear change
Housing units6,616±252,589,053−190
Homeowner vacancy rate1.0%±1.4 pts0.8%–
Rental vacancy rate6.7%±8.1 pts5.1%–
Single-family detached homes75.5%±4.0 pts61.4%–
Mobile homes11.5%±2.7 pts3.5%–
Built 2020 or later1.0%±0.7 pts3.0%–
Built 1939 or earlier18.1%±3.9 pts7.0%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Rio Grande County building?

Builders took permits for 42 new housing units across Rio Grande County in 2025 (34 single-family), 3.8 per 1,000 residents.

  • 2019 18 units
  • 2020 31 units
  • 2021 35 units
  • 2022 48 units
  • 2023 57 units
  • 2024 47 units
  • 2025 42 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Rio Grande County get to work?

73.7% of Rio Grande County's workers drive alone and 9.3% work from home. The average trip to work takes 19.2 minutes. The unemployment rate in 2020-2024 averaged 10.1%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureRio Grande CountyColoradoChange since 2015-2019
In the labor force (age 16+)61.8%±2.7 pts68.6%–
Unemployment rate10.1%±4.1 pts4.6%no clear change
Drove alone to work73.7%±4.8 pts65.1%–
Carpooled12.5%±4.3 pts7.7%–
Public transportation0.2%±0.5 pts1.6%–
Walked3.2%±1.7 pts2.5%–
Worked from home9.3%±2.9 pts21.0%+4.1 pts
Mean travel time to work19.2 min±2.425.2 minno clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Rio Grande County's census tracts?

Rio Grande County is divided into 4 census tracts. Among those with a reliable estimate, median household income runs from $40,600 (Tract 9768) to $86,297 (Tract 9770.02).

Census tracts of Rio Grande County, ACS 2020-2024 5-year estimates; sort by any column
Tract 976708105976700Monte Vista (84%)5,2284,829±291$62,246$224,400$92927.0%
Tract 976808105976800Del Norte (87%)1,6221,784±235$40,600$188,800$88519.4%
Tract 9770.0108105977001Alpine (30%)2,1732,154±261$77,379$437,900$1,09810.6%
Tract 9770.0208105977002Center (2%)2,5162,554±336$86,297$245,600$9056.7%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Rio Grande County compare with Colorado's other counties?

Rio Grande County's rank among Colorado's counties with a reliable estimate (1 = highest)
MeasureRank
Population37th of 64
Growth 2020-202555th of 64
Residents per square mile31st of 64
Median household income43rd of 64
Median home value48th of 64
Median gross rent46th of 63
Poverty rate10th of 63
Bachelor's degree or higher30th of 64
Median age32nd of 64

Every county in Colorado

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Rio Grande County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.