San Juan County's 2026 population is estimated at 869, reflecting a 2.84% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). San Juan County is the 63rd largest county in Colorado. The 2010 population was 708 and has grown 22.74% since 2010.
Data after 2023 is projected based on recent change
Overall: 37.5 years
Female: 39.9 years
Male: 35.5 years
There are 631 adults, (134 of whom are seniors) in San Juan County.
Female: 311 (43%)
Male: 413 (57%)
The racial composition of San Juan County includes 85.5% White, and smaller percentages for Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 619 | 85.5% |
| Two or more races | 98 | 13.54% |
| Native American | 7 | 0.97% |
San Juan County 's average per capita income is $37,717. Household income levels show a median of $77,824. The poverty rate stands at 21.27%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $93,250 | - |
| Families | $89,167 | $86,907 |
| Households | $77,824 | $80,310 |
| Non Families | $60,579 | $70,955 |
Average Income
Median Household Income
Poverty Rate