Seminole County's estimated 2026 population is 23,528 with a growth rate of 0.37% in the past year according to the most recent United States census data. Seminole County is the 37th largest county in Oklahoma. The 2010 population was 25,487 and has seen a growth of -7.69% since that time.
Data after 2023 is projected based on recent change
Overall: 39.2 years
Female: 40.6 years
Male: 37.3 years
There are 17,780 adults, (4,325 of whom are seniors) in Seminole County.
Female: 11,939 (50.8%)
Male: 11,555 (49.2%)
The racial composition of Seminole County includes 64.34% White, 18.92% Native American, 3.58% 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 | 15,117 | 64.34% |
| Native American | 4,445 | 18.92% |
| Two or more races | 2,745 | 11.68% |
| Black or African American | 842 | 3.58% |
| Other race | 230 | 0.98% |
| Asian | 103 | 0.44% |
| Native Hawaiian or Pacific Islander | 12 | 0.05% |
Seminole County's average per capita income is $39,701. Household income levels show a median of $48,062. The poverty rate stands at 21.74%.
Name | Median | Mean |
|---|---|---|
| Married Families | $74,956 | $87,613 |
| Families | $58,863 | $73,508 |
| Households | $48,062 | $63,114 |
| Non Families | $27,763 | $39,010 |
Average Income
Median Household Income
Poverty Rate