Osage County's 2026 population is estimated at 47,469, reflecting a 1.04% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Osage County is the 21st largest county in Oklahoma. The 2010 population was 47,487 and has grown -0.04% since 2010.
Data after 2023 is projected based on recent change
Overall: 43.5 years
Female: 44.7 years
Male: 41.8 years
There are 36,380 adults, (9,834 of whom are seniors) in Osage County.
Female: 22,814 (49.6%)
Male: 23,183 (50.4%)
The racial composition of Osage County includes 63.01% White, 11.12% Native American, 10.12% Black or African American, and smaller percentages for other race, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 28,985 | 63.01% |
| Two or more races | 6,264 | 13.62% |
| Native American | 5,117 | 11.12% |
| Black or African American | 4,657 | 10.12% |
| Other race | 845 | 1.84% |
| Asian | 121 | 0.26% |
| Native Hawaiian or Pacific Islander | 8 | 0.02% |
Osage County 's average per capita income is $43,571. Household income levels show a median of $62,847. The poverty rate stands at 13.09%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $93,617 | $112,275 |
| Families | $79,984 | $101,306 |
| Households | $62,847 | $84,674 |
| Non Families | $35,377 | $47,187 |
Average Income
Median Household Income
Poverty Rate
