How many people live in Rio Blanco County, CO?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 6,600 people living in Rio Blanco County, CO. That makes Rio Blanco County the 46th-most populous county in Colorado. It is home to 0.11% of people living in the state.
6.61K
population of Rio Blanco County, CO (2024)
0.11%
County share of the Colorado population (2024)
About 6,600 people lived in Rio Blanco County, CO in 2024.
Population estimates, 2000–2024
What are Rio Blanco County, CO’s age demographics?
About 1,300 Rio Blanco County residents are aged 65 and older in 2024. That represents 20.3% of its population. For comparison, the age group represents 16.5% of Colorado’s population and 18% in the US overall.
Another 1,500 Rio Blanco County, CO residents, or 22.6% of the population, were children under 18. For comparison, the age group represents 20.5% of Colorado’s population and 21.6% in the US overall.
A higher share of Rio Blanco County, CO's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Rio Blanco County, CO’s racial and ethnic demographics?
Non-Hispanic white residents make up 83.4% of the Rio Blanco County population, higher than the national share of 57.5%. Rio Blanco County also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (1%) than the US overall (0.72%).
In contrast, Rio Blanco County’s non-Hispanic Black or African American population accounts for 1.3%, below the 12.6% nationwide, and the Hispanic population makes up 11.2% of the county, compared with 20% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Rio Blanco County, CO has a higher share of a non-Hispanic white population than Colorado as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Rio Blanco County, CO is Meeker with about 2,400 residents in 2024.
Cities and towns in Rio Blanco County, CO ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Meeker | 2,390 |
| 2. | Rangely | 2,289 |
| 3. | Balance of Rio Blanco County | 1,928 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
