Custer County's 2026 population is estimated at 28,134, reflecting a -0.23% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Custer County is the 33rd largest county in Oklahoma. The 2010 population was 27,583 and has grown 2% since 2010.
Data after 2023 is projected based on recent change
Overall: 32.8 years
Female: 33.2 years
Male: 32.3 years
There are 21,209 adults, (4,114 of whom are seniors) in Custer County.
Female: 14,241 (50.4%)
Male: 14,018 (49.6%)
The racial composition of Custer County includes 68.78% White, 6.28% other race, 5.28% Native American, and smaller percentages for Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 19,436 | 68.78% |
| Two or more races | 4,461 | 15.79% |
| Other race | 1,775 | 6.28% |
| Native American | 1,492 | 5.28% |
| Black or African American | 806 | 2.85% |
| Asian | 268 | 0.95% |
| Native Hawaiian or Pacific Islander | 21 | 0.07% |
Custer County 's average per capita income is $42,005. Household income levels show a median of $59,738. The poverty rate stands at 16.43%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $86,256 | $121,465 |
| Families | $77,222 | $103,752 |
| Households | $59,738 | $82,426 |
| Non Families | $38,553 | $46,889 |
Average Income
Median Household Income
Poverty Rate
