Tumwater Flag

Tumwater

County:
Thurston County
County Seat:
No
Area (mi²):
17.744
State:
Washington

Tumwater is a city located in Thurston County, Washington. Tumwater has a 2026 population of 28,667. Tumwater is currently growing at a rate of 1.49% annually and its population has increased by 9.65% since the most recent census, which recorded a population of 26,143 in 2020.

The median household income in Tumwater is $95,212 with a poverty rate of 7.04%. The median age in Tumwater is 37.1 years: 36.5 years for males, and 37.9 years for females. For every 100 females there are 91.1 males.

28.7K
Total Population
1,616
Density (mi²)
421 1.49%
Growth

Tumwater Population

Tumwater Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202628,6674211.49%
202528,2464201.51%
202427,8266512.4%
202327,1754101.53%
202226,765-63-0.23%
202126,8287843.01%
202026,1432,2169.26%
201923,9273221.36%
201823,6056702.92%
201722,9355682.54%
201622,3674912.24%
201521,8763311.54%
201421,5453061.44%
201321,2393411.63%
201220,8983701.8%
201120,5283661.82%
201020,1622,79116.07%
200012,6982,72227.29%
19909,9763,27148.78%
19806,7051,33224.79%
19705,3731,48838.3%
19603,8851,16042.57%
19502,72500%

Median Age

Overall: 37.1 years
Female: 37.9 years
Male: 36.5 years

Tumwater Adults

There are 21,344 adults, (4,204 of whom are seniors) in Tumwater.

Sex Ratio

Female: 14,104 (52.3%)
Male: 12,852 (47.7%)

Demographics

The racial composition of Tumwater includes 69.34% White, 7.29% Asian, 4.82% Black or African American, 3.51% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White18,69269.34%
Two or more races3,72913.83%
Asian1,9657.29%
Black or African American1,3004.82%
Other race9453.51%
Native American1950.72%
Native Hawaiian or Pacific Islander1300.48%
Race
Population ↓
Percentage (of total)
Two or more races1,3044.84%
White7572.81%
Other race3751.39%
Black or African American600.22%
Native American70.03%
Race
Population ↓
Percentage (of total)
White17,93566.53%
Two or more races2,4259%
Asian1,9657.29%
Black or African American1,2404.6%
Other race5702.11%
Native American1880.7%
Native Hawaiian or Pacific Islander1300.48%

Tumwater Marital Status

Economics and Income Statistics

Tumwater 's average per capita income is $62,893. Household income levels show a median of $95,212. The poverty rate stands at 7.04%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$131,894-
Families$114,611$127,901
Households$95,212$114,446
Non Families$63,339$85,754

$62,893

Average Income

$95,212

Median Household Income

7.04%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)