Thurston County Population

1860–2026

306.39K

2026 projection

3.5% since 2020 (increase)

050K100K150K200K250K300K350K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Thurston County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026306,390+2,1290.70%
2025304,261+2,1290.70%
2024302,132+2,9350.98%
2023299,197+6410.21%
2022298,556+2430.08%
2021298,313+2,3000.78%
2020296,013+6,3522.19%
2019289,661+3,9891.40%
2018285,672+5,4171.93%
2017280,255+6,4282.35%

Showing 10 of 31 years.

Thurston County Demographics

40median age

Median age

Female41.2 yrs
Male38.6 yrs

Adults

236,687
56,072 seniors (65+) · 24% of adults180,615 other adults

Sex

Female 50.9% · 152,090Male 49.1% · 146,977

Population by age

MaleFemale85+ years, male: 2,11485+ years, female: 3,67680–84 years, male: 2,62880–84 years, female: 3,47975–79 years, male: 4,62575–79 years, female: 5,53170–74 years, male: 7,63470–74 years, female: 8,89965–69 years, male: 7,93465–69 years, female: 9,55260–64 years, male: 8,94160–64 years, female: 10,55755–59 years, male: 8,40755–59 years, female: 8,38450–54 years, male: 8,88850–54 years, female: 8,86445–49 years, male: 8,81745–49 years, female: 9,06440–44 years, male: 10,51940–44 years, female: 11,18635–39 years, male: 11,21035–39 years, female: 10,49230–34 years, male: 11,18930–34 years, female: 11,00225–29 years, male: 10,48425–29 years, female: 10,10820–24 years, male: 8,29120–24 years, female: 8,21515–19 years, male: 8,58115–19 years, female: 8,11610–14 years, male: 9,93410–14 years, female: 8,2955–9 years, male: 8,5965–9 years, female: 9,0280–4 years, male: 8,1850–4 years, female: 7,64285+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45K5K10K10K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 2,991 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Thurston County Income

$96,563median household income

Median household income

$96,563

Half of households earn more, half earn less

Median earnings

$60,722

Typical yearly pay for a worker 25 or older.

Poverty rate

9.6%

About 1 in 10 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Thurston County Marital Status

52% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married52%54%50%
Never married29%33%26%
Divorced12%9%15%
Widowed5%2%8%
Separated1%1%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year