Otero County's 2026 population is estimated at 17,677, reflecting a -0.88% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Otero County is the 28th largest county in Colorado. The 2010 population was 18,857 and has grown -6.26% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.8 years
Female: 43 years
Male: 40.2 years
There are 14,089 adults, (3,894 of whom are seniors) in Otero County.
Female: 9,183 (50.1%)
Male: 9,138 (49.9%)
The racial composition of Otero County includes 67.22% White, 13.84% other race, and smaller percentages for Native American, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 12,315 | 67.22% |
| Two or more races | 2,726 | 14.88% |
| Other race | 2,535 | 13.84% |
| Native American | 390 | 2.13% |
| Black or African American | 213 | 1.16% |
| Asian | 137 | 0.75% |
| Native Hawaiian or Pacific Islander | 5 | 0.03% |
Otero County 's average per capita income is $37,930. Household income levels show a median of $54,037. The poverty rate stands at 22.09%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $83,883 | - |
| Families | $64,970 | $83,021 |
| Households | $54,037 | $68,476 |
| Non Families | $28,750 | $39,642 |
Average Income
Median Household Income
Poverty Rate
