Tumwater, Washington Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Tumwater, Washington is 26,519 as of the 2023 American Community Survey, making it the 48th-largest city in Washington. The median household income is $93,635, the median home value is $438,000, and the median age is 38.1.
The population has grown 37.8% since 2010 (20,193 → 27,826).
26,519
Population
1495
People / sq mi
$93,635
Median Income
$438,000
Median Home Value
Tumwater covers 17.7 sq mi of land at 1495 people per square mile.
About Tumwater, WA
Tumwater is a city in Washington with a population of 26,519. It ranks #48 among cities in Washington by population. The median age is 38.1, in line with the national median. The population is 46.8% male and 53.2% female.
The median household income in Tumwater is $93,635, above the US median of $74,580. 6.2% of residents live below the federal poverty level. Home values sit at a median of $438,000, with monthly rent averaging $1,654. The homeownership rate of 61.1% is lower than the national rate of 64.8%.
Educational attainment in Tumwater reflects 41.6% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 23.0% of workers primarily work from home, noticeably above the national work-from-home rate of 14.2%. The average commute is 20.8 minutes each way.
Tumwater city Population History (2010-2024)
The city of Tumwater city had a population of 20,193 in 2010 and 27,826 in 2024, a 37.8% growth over 14 years. The peak was 27,826 in 2024. Average annual growth rate: 2.33%.
27,826
Population (2024)
20,193
Population (2010)
27,826
Peak (2024)
2.33%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 20,193 |
| 2011 | 20,557 |
| 2012 | 20,921 |
| 2013 | 21,260 |
| 2014 | 21,563 |
| 2015 | 21,889 |
| 2016 | 22,387 |
| 2017 | 22,963 |
| 2018 | 23,665 |
| 2019 | 24,024 |
| 2020 | 26,143 |
| 2021 | 26,828 |
| 2022 | 26,765 |
| 2023 | 27,175 |
| 2024 | 27,826 |
Race & Ethnicity
| White | 74.6% |
| Black or African American | 3.8% |
| Asian | 0.1% |
| Hispanic or Latino (any race) | 3.8% |
| Two or More Races | 0.1% |
Economy & Income
$93,635
Median Household Income
$48,005
Per Capita Income
6.2%
Poverty Rate
3.3%
Unemployment Rate
Housing
$438,000
Median Home Value
$1,654
Median Rent
61.1%
Owner-Occupied
Education
95.9%
High School+
41.6%
Bachelor's+
Commute
0.9%
Drive Alone
66.0%
Public Transit
23.0%
Work From Home
20.8 min
Avg Commute
Community Profile
42.0%
Foreign Born
92.4%
Non-English at Home
10.1%
Veterans
13.1%
With Disability
95.6%
Health Insurance
96.4%
Internet Access
Employment by Industry
| Public Administration | 24.5% |
| Professional, Scientific & Management | 20.7% |
| Education, Health Care & Social Services | 10.0% |
| Finance, Insurance & Real Estate | 8.2% |
| Arts, Entertainment & Food Services | 5.7% |
| Information | 5.4% |
| Manufacturing | 5.3% |
| Construction | 4.2% |
| Retail Trade | 3.4% |
| Transportation & Warehousing | 1.6% |
| Agriculture & Mining | 0.7% |
Largest cities in Washington
Largest counties in Washington
Part of Washington
Metro areas in Washington
City rankings
Frequently Asked Questions
Tumwater, Washington has a population of 26,519 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 48th-largest city in Washington.
The median household income in Tumwater, Washington is $93,635, with 6.2% of residents living below the federal poverty level.
The median home value in Tumwater, Washington is $438,000, with median monthly rent at $1,654 and a homeownership rate of 61.1%.
The median age in Tumwater, Washington is 38.1 years. The population is 46.8% male and 53.2% female.
The population has grown 37.8% since 2010 (20,193 → 27,826).
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Statewide data for Washington
Population, race, income, age, and trends across Washington
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.