Rio Blanco County, Colorado
County seat: Meeker · Population 6,683 (2025) · 3,221 sq mi
Rio Blanco County is the 46th most populous of Colorado's 64 counties, with 6,683 people (2025 estimate). Its county seat is Meeker. It is part of the Region 11: Northern Western Slope region, one of the 14 Planning and Management Regions of Colorado. The map shows its 2 cities and towns and the 4 neighboring counties.
Rio Blanco County facts
- County seat
- Meeker
- Population (2025 estimate)
- 6,683 +2.4% since 2020
- Land area
- 3,221 sq mi 6th largest of 64
- Water area
- 2 sq mi
- Population density
- 2 per sq mi
- Established
- 1889
- Named after
- White River river in Uintah County, Utah and Rio Blanco County, Colorado in the United States
- Largest city
- Meeker 2,417
- Median household income
- $65,473
- Cities and towns
- 2
- ZIP codes
- 4
- Time zone
- Mountain
- FIPS code
- 08103
Cities and towns in Rio Blanco County
Rio Blanco County has 2 incorporated cities, towns and villages. Populations count the people living inside Rio Blanco County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Meeker (county seat) | Town | 2,417 | |
| Rangely | Town | 2,304 |
ZIP codes in Rio Blanco County
4 ZIP codes reach into Rio Blanco County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 80467 also Routt County
- 81641 also Moffat County
- 81648
- 81650 also Garfield County
Population of Rio Blanco County, 2020–2025
Rio Blanco County grew by 155 people (+2.4%) between April 2020 and July 2025: 23 more deaths than births and a net gain of 180 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 6,522 |
| 2021 | 6,444 |
| 2022 | 6,572 |
| 2023 | 6,646 |
| 2024 | 6,792 |
| 2025 | 6,683 |
Neighboring counties
- Garfield County southeast · 63,474 people
- Moffat County north · 13,122 people
- Uintah County, Utah west · 38,278 people
- Routt County northeast · 25,329 people
Printable Rio Blanco County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (64 KB)
- PNG (2400 px) (57 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
Back to the Colorado county map with all 64 counties. Found an error? Tell us.