| Name | Stephens County |
| State | Oklahoma |
| FIPS Code | 40137 |
| County Seat | Duncan |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 44,066 |
| Population Growth Rate(2020-2024) | 2.77% |
| Majority Ethnicity | White 85.31% |
| Public School Majority Ethnicity | White 66% |
| Partisan Voting Index | Strongly Republican:+33 |
| Unemployment Rate (May 2026) | 4.6% |
| Sales Tax Rate (2025) | 5.2% |
| Area Code(s) | 580 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 85.31% |
| African American | 1.65% |
| Hispanic | 8.92% |
| Asian | 0.5% |
| Native American | 3.57% |
| Hawaiin/Pacific Islander | 0.06% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 66.1% |
| African American | 1.9% |
| Hispanic | 14.72% |
| Asian | 0.88% |
| Native American | 4.03% |
| Hawaiin/Pacific Islander | 0.12% |