Rio Grande County's 2026 population is estimated at 11,008, reflecting a -0.56% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Rio Grande County is the 37th largest county in Colorado. The 2010 population was 12,022 and has grown -8.43% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.7 years
Female: 41.7 years
Male: 41.7 years
There are 9,040 adults, (2,578 of whom are seniors) in Rio Grande County.
Female: 5,567 (49.2%)
Male: 5,754 (50.8%)
The racial composition of Rio Grande County includes 73.03% White, 6.77% other race, 3.49% Native American, and smaller percentages for Black or African American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 8,268 | 73.03% |
| Two or more races | 1,818 | 16.06% |
| Other race | 766 | 6.77% |
| Native American | 395 | 3.49% |
| Black or African American | 63 | 0.56% |
| Asian | 11 | 0.1% |
Rio Grande County 's average per capita income is $47,543. Household income levels show a median of $64,411. The poverty rate stands at 18.01%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $99,534 | - |
| Families | $83,281 | $105,393 |
| Households | $64,411 | $85,497 |
| Non Families | $34,186 | $45,578 |
Average Income
Median Household Income
Poverty Rate