Johnston County's 2026 population is estimated at 10,481, reflecting a 0.9% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Johnston County is the 57th largest county in Oklahoma. The 2010 population was 11,003 and has grown -4.74% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.3 years
Female: 40.2 years
Male: 38.4 years
There are 7,874 adults, (1,921 of whom are seniors) in Johnston County.
Female: 5,036 (49%)
Male: 5,242 (51%)
The racial composition of Johnston County includes 68.22% White, 13.4% Native American, and smaller percentages for Black or African American, other race, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 7,012 | 68.22% |
| Two or more races | 1,493 | 14.53% |
| Native American | 1,377 | 13.4% |
| Black or African American | 236 | 2.3% |
| Other race | 151 | 1.47% |
| Asian | 6 | 0.06% |
| Native Hawaiian or Pacific Islander | 3 | 0.03% |
Johnston County 's average per capita income is $42,425. Household income levels show a median of $52,688. The poverty rate stands at 22.9%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $75,774 | $90,040 |
| Families | $65,112 | $78,353 |
| Households | $52,688 | $67,066 |
| Non Families | $28,208 | $37,616 |
Average Income
Median Household Income
Poverty Rate