Rio Blanco County, Colorado Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 45th-largest in Colorado
The population of Rio Blanco County, Colorado is 6,518 as of the 2023 American Community Survey, making it the 45th-largest county in Colorado. The median household income is $72,620, the median home value is $243,400, and the median age is 39.1.
The population of Rio Blanco County has declined 0.2% since 2010 (6,623 → 6,607), a -0.02% annualized rate.
6,518
Population
-0.02%
Annual growth
2
People / sq mi
$72,620
Median Income
$243,400
Median Home Value
Rio Blanco County covers 3,221 sq mi of land at 2.0 people per square mile.
About Rio Blanco County, CO
Rio Blanco County is a county in Colorado with a population of 6,518. It ranks #45 among counties in Colorado by population. The median age is 39.1, in line with the national median. The population is 52.6% male and 47.4% female.
The median household income in Rio Blanco County is $72,620, near the US median of $74,580. 7.2% of residents live below the federal poverty level. Home values sit at a median of $243,400, with monthly rent averaging $924. The homeownership rate of 75.9% is higher than the national rate of 64.8%.
Educational attainment in Rio Blanco County reflects 26.6% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 7.6% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 15.0 minutes each way.
Rio Blanco County Population History (2010-2024)
The county of Rio Blanco County had a population of 6,623 in 2010 and 6,607 in 2024, a -0.2% growth over 14 years. The peak was 6,763 in 2012. Average annual growth rate: -0.01%.
6,607
Population (2024)
6,623
Population (2010)
6,763
Peak (2012)
-0.01%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 6,623 |
| 2011 | 6,751 |
| 2012 | 6,763 |
| 2013 | 6,699 |
| 2014 | 6,604 |
| 2015 | 6,487 |
| 2016 | 6,443 |
| 2017 | 6,362 |
| 2018 | 6,347 |
| 2019 | 6,350 |
| 2020 | 6,521 |
| 2021 | 6,447 |
| 2022 | 6,561 |
| 2023 | 6,586 |
| 2024 | 6,607 |
Race & Ethnicity
| White | 85.5% |
| Black or African American | 0.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.7% |
| Two or More Races | 0.0% |
Age & Sex
39.1
Median Age
47.4%
Female
52.6%
Male
16.8%
Age 65+
Age Distribution
Children (under 15): 20.7% · Seniors (65+): 16.8%
Income & Poverty
| Median household income | $72,620$-19,850 vs state |
| Mean household income | $80,991 |
| Per-capita income | $33,375 |
| Poverty rate | 7.2%+1.3% vs state |
| Unemployment rate | 2.6% |
| Employment-to-population | 57.3% |
Top Industries by Employment
The largest employment sector in Rio Blanco County is professional & business services, accounting for 21.1% of workers.
How residents commute
0.0%
Drive alone
5.7%
Carpool
77.8%
Public transit
7.6%
Work from home
15.0 min
Avg commute
Housing
$243,400$-258,800 vs state
Median home value
$924
Median rent
75.9%
Homeownership rate
3,288
Total housing units
78.7%
Occupied
21.3%
Vacant
24.1%
Renter-occupied
Social & access
90.4%
With health insurance
96.0%
With broadband internet
48.6%
Foreign-born
10.3%
Veterans (18+)
18.4%
With a disability
92.0%
Speak language other than English at home
Education
93.2%
High School+
26.6%
Bachelor's+
Largest cities in Colorado
Other counties in Colorado
Part of Colorado
Metro areas in Colorado
County rankings
Frequently Asked Questions
Rio Blanco County, Colorado has a population of 6,518 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 45th-largest county in Colorado. Population density is 2 people per square mile.
The population of Rio Blanco County has declined 0.2% since 2010 (6,623 → 6,607), a -0.02% annualized rate.
The median household income in Rio Blanco County, Colorado is $72,620, with mean (average) household income of $80,991 and per-capita income of $33,375. 7.2% of residents live below the federal poverty level.
In Rio Blanco County, the largest racial and ethnic groups are White (85.5%), Hispanic or Latino (3.7%), Black or African American (0.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Rio Blanco County, Colorado is 39.1 years. Residents are 47.4% female and 52.6% male.
The median home value in Rio Blanco County is $243,400 and median monthly rent is $924. 75.9% of occupied housing units are owner-occupied. The county has 3,288 total housing units, 21.3% of which are vacant.
The largest employment sector in Rio Blanco County, Colorado is professional, scientific, and management services, employing 21.1% of workers. The unemployment rate is 2.6%.
Denver is among the largest cities associated with Rio Blanco County, Colorado, with a population of 713,734.
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Statewide data for Colorado
Population, race, income, age, and trends across Colorado
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.