La Plata County's 2026 population is estimated at 56,866, reflecting a -0.06% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). La Plata County is the 14th largest county in Colorado. The 2010 population was 51,416 and has grown 10.6% since 2010.
Overall: 43.2 years
Female: 43.9 years
Male: 42.5 years
There are 46,464 adults, (11,728 of whom are seniors) in La Plata County.
Female: 27,882 (49.5%)
Male: 28,449 (50.5%)
The racial composition of La Plata County includes 81.48% White, 5.03% Native American, and smaller percentages for other race, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 45,897 | 81.48% |
| Two or more races | 5,249 | 9.32% |
| Native American | 2,836 | 5.03% |
| Other race | 1,635 | 2.9% |
| Asian | 459 | 0.81% |
| Black or African American | 140 | 0.25% |
| Native Hawaiian or Pacific Islander | 115 | 0.2% |
La Plata County 's average per capita income is $52,267. Household income levels show a median of $86,056. The poverty rate stands at 11.7%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $120,849 | $145,898 |
| Families | $108,777 | $133,882 |
| Households | $86,056 | $113,780 |
| Non Families | $53,125 | $77,044 |
Average Income
Median Household Income
Poverty Rate
