| Name | Jefferson County |
| State | Oklahoma |
| FIPS Code | 40067 |
| County Seat | Waurika |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 5,367 |
| Population Growth Rate(2020-2024) | 0.43% |
| Majority Ethnicity | White 82.87% |
| Public School Majority Ethnicity | White 64% |
| Partisan Voting Index | Strongly Republican:+37 |
| Unemployment Rate (May 2026) | 5.9% |
| Sales Tax Rate (2025) | 6.5% |
| Area Code(s) | 580 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 82.87% |
| African American | 1.49% |
| Hispanic | 11.19% |
| Asian | 0.06% |
| Native American | 4.39% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 64.29% |
| African American | 0.18% |
| Hispanic | 17% |
| Asian | 0.18% |
| Native American | 10.49% |
| Hawaiin/Pacific Islander | 0.09% |