Demographics & People — Tumwater, Washington
Population Overview
| Population (Census) | 26,519 |
| Estimated 2026 | ~28,000 |
| Median Age | 37.1 |
| Total Households | 10,863 |
| Family Households | 6,656 |
| Average Household Size | 2.39 |
| Diversity Index | 0.3241 (somewhat diverse) |
Race & Ethnicity
| White | 19,782 |
| Black or African American | 997 |
| Asian | 1,120 |
| Hispanic or Latino | 2,409 |
Heritage & Ancestry
| Group | Count |
| Other groups | 6,712 |
| Unclassified or not reported | 6,190 |
| German | 4,399 |
| English | 3,617 |
| Irish | 2,726 |
| Hispanic: Hispanic or Latino | 2,035 |
| American | 1,252 |
| Italian | 992 |
| Hispanic: Mexican | 942 |
| European | 899 |
Language
| English Only | 23,429 |
| Spanish | 542 |
| Population 5+ | 25,344 |
Veterans
| Veterans | 1,776 |
| Population 18+ | 19,953 |
Commuting
| Mean Commute Time | 21.3 minutes |
| Work from Home | 27.7% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Tumwater, Washington.