| Name | Jefferson County |
| State | Washington |
| FIPS Code | 53031 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 29,802 |
| Population Growth Rate(2000-2022) | 10.39% |
| Majority Ethnicity | White 91.97% |
| Public School Majority Ethnicity | White 81% |
| Partisan Voting Index | Democratic:+19 |
| Unemployment Rate | 5.1% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 91.97% |
| African American | 0.44% |
| Hispanic | 4.3% |
| Asian | 1.49% |
| Native American | 1.65% |
| Hawaiin/Pacific Islander | 0.14% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 81.38% |
| African American | 0.94% |
| Hispanic | 7.67% |
| Asian | 1.47% |
| Native American | 1.73% |
| Hawaiin/Pacific Islander | 0.3% |