| Name | Jefferson County |
| State | Washington |
| FIPS Code | 53031 |
| County Seat | Port Townsend |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2024) | 33,725 |
| Population Growth Rate(2020-2024) | 2.24% |
| Majority Ethnicity | White 92.32% |
| Public School Majority Ethnicity | White 78% |
| Partisan Voting Index | Democratic:+20 |
| Unemployment Rate (May 2026) | 6.0% |
| Sales Tax Rate (2025) | 9.2% |
| Area Code(s) | 360 / 564 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 92.32% |
| African American | 0.4% |
| Hispanic | 4.52% |
| Asian | 1.42% |
| Native American | 1.21% |
| Hawaiin/Pacific Islander | 0.13% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 78.3% |
| African American | 0.65% |
| Hispanic | 9.93% |
| Asian | 1.74% |
| Native American | 1.25% |
| Hawaiin/Pacific Islander | 0.27% |