| Name | Washington County |
| State | Oklahoma |
| FIPS Code | 40147 |
| County Seat | Bartlesville |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 53,772 |
| Population Growth Rate(2020-2024) | 2.47% |
| Majority Ethnicity | White 78.44% |
| Public School Majority Ethnicity | White 54% |
| Partisan Voting Index | Strongly Republican:+24 |
| Unemployment Rate (May 2026) | 4.7% |
| Sales Tax Rate (2025) | 5.5% |
| Area Code(s) | 539 / 918 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 78.44% |
| African American | 2.95% |
| Hispanic | 7.2% |
| Asian | 2.25% |
| Native American | 9.13% |
| Hawaiin/Pacific Islander | 0.02% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 53.85% |
| African American | 3.66% |
| Hispanic | 10.6% |
| Asian | 2.16% |
| Native American | 14.08% |
| Hawaiin/Pacific Islander | 0.11% |