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
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Tumwater covers 17.7 sq mi of land at 1495 people per square mile.
About Tumwater, WA
What sets Tumwater apart is where people work — remote work is unusually prominent here, at 23.0% versus 14.0% nationally. With 26,519 residents, Tumwater is a city in Washington. It ranks #48 among cities in Washington by population.
Median household income is $93,635, above the US median of $78,538. The poverty rate is 6.2%, below the national 12.4%. The typical home is valued at $438,000, with typical rent around $1,654.
41.6% of adults 25 and older hold a bachelor’s degree, above the national average of 35.0%. Remote work is on the higher side at 23.0%, above the national 14.0%, and the average commute runs about 21 minutes each way.
The remote-work concentration is telling in Tumwater — it skews toward higher-income, college-educated workers and reshapes both commute patterns and housing demand.
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% |
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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).
Tumwater city, WA Climate
Tumwater city, WA has an average annual temperature of 10.4°C (51°F) and receives about 1330 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
10.4°C
Avg Temp
1330
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 4° / 39° | 199 mm |
| February | 5° / 41° | 159 mm |
| March | 7° / 45° | 138 mm |
| April | 9° / 49° | 94 mm |
| May | 12° / 54° | 59 mm |
| June | 15° / 59° | 45 mm |
| July | 17° / 63° | 21 mm |
| August | 18° / 64° | 29 mm |
| September | 15° / 59° | 55 mm |
| October | 11° / 51° | 111 mm |
| November | 7° / 44° | 209 mm |
| December | 4° / 39° | 211 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Tumwater city, WA
The most comfortable months to visit Tumwater city, WA are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 25°C high). The coldest is January (near 0°C low). December is usually the wettest month.
Where to stay near Tumwater
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.