Tumwater is a city located in Thurston County, Washington. Tumwater has a 2025 population of 27,971. Tumwater is currently growing at a rate of 1.33% annually and its population has increased by 7% since the most recent census, which recorded a population of 26,140 in 2020.
The average household income in Tumwater is $115,276 with a poverty rate of 7.82%.The median age in Tumwater is 38.1 years: 37.8 years for males, and 38.9 years for females.
Data after 2023 is projected based on recent change
The racial composition of Tumwater includes 74.6% White, 4.22% Asian, 3.76% Black or African American, 3.26% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 19,782 | 74.6% |
Two or more races | 3,343 | 12.61% |
Asian | 1,120 | 4.22% |
Black or African American | 997 | 3.76% |
Other race | 864 | 3.26% |
Native American | 304 | 1.15% |
Native Hawaiian or Pacific Islander | 109 | 0.41% |
Married
Widowed
Divorced
Separated
Never Married
Tumwater's average per capita income is $60,369. Household income levels show a median of $93,635. The poverty rate stands at 7.82%.
Name | Median | Mean |
---|---|---|
Married Families | $127,461 | - |
Families | $112,913 | $127,761 |
Households | $93,635 | $115,276 |
Non Families | $61,551 | $89,710 |
Average Income
Median Household Income
Poverty Rate