Cleveland County's 2026 population is estimated at 308,030, reflecting a 0.67% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Cleveland County is the 3rd largest county in Oklahoma. The 2010 population was 257,094 and has grown 19.81% since 2010.
Data after 2023 is projected based on recent change
Overall: 35.4 years
Female: 36.4 years
Male: 34.4 years
There are 238,772 adults, (44,737 of whom are seniors) in Cleveland County.
Female: 150,378 (50.1%)
Male: 149,669 (49.9%)
The racial composition of Cleveland County includes 69.7% White, 4.86% Black or African American, 4.71% Asian, 4.03% Native American, and smaller percentages for other race, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 209,137 | 69.7% |
| Two or more races | 41,935 | 13.98% |
| Black or African American | 14,586 | 4.86% |
| Asian | 14,138 | 4.71% |
| Native American | 12,092 | 4.03% |
| Other race | 7,975 | 2.66% |
| Native Hawaiian or Pacific Islander | 184 | 0.06% |
Cleveland County 's average per capita income is $49,565. Household income levels show a median of $77,068. The poverty rate stands at 12.9%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $114,816 | $136,613 |
| Families | $98,966 | $119,173 |
| Households | $77,068 | $98,346 |
| Non Families | $46,209 | $58,575 |
Average Income
Median Household Income
Poverty Rate
