| Place Name | Tumwater |
| Place Type | City |
| ZIP Code(s) | 98501 98502 98512 |
| County | Thurston County |
| Area Code(s) | 360 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 17,469 |
| Population Growth Rate (2010-19) | 45.93% |
| Majority Ethnicity | White 82.49% |
| Metro/Micro Stats Area | Olympia-Lacey-Tumwater, WA |
| US Congressional District(s) | Washington 10th |
| State House Districts | 22,35 |
| State Senate Districts | 22,35 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 82.49% |
| African American | 4.04% |
| Hispanic | 0.88% |
| Asian | 4% |
| Native American | 0.31% |
| Hawaiin/Pacific Islander | 8.27% |