Olympia Population

1870–2026

56,848

2026 projection

2.2% since 2020 (increase)

010K20K30K40K50K60K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal 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 Olympia. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202656,848+1240.22%
202556,724+6061.08%
202456,118+2730.49%
202355,845-880.16%
202255,933-1220.22%
202156,055+4500.81%
202055,605+8581.57%
201954,747+5020.93%
201854,245+9961.87%
201753,249+1,1222.15%

Showing 10 of 31 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Olympia is growing slower than Thurston County, Washington, and the U.S.

  • Washington+3.5%
  • United States+3.1%
  • Thurston County+2.8%
  • Olympia+2.0%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Olympia Demographics

40.5median age

Median age

Female43.3 yrs
Male37.3 yrs

Adults

45,992
11,040 seniors (65+) · 24% of adults34,952 other adults

Sex

Female 51.5% · 28,804Male 48.5% · 27,147

Population by age

MaleFemale85+ years, male: 38185+ years, female: 91880–84 years, male: 41680–84 years, female: 77375–79 years, male: 1,01575–79 years, female: 1,25670–74 years, male: 1,53270–74 years, female: 1,85765–69 years, male: 99565–69 years, female: 1,89760–64 years, male: 1,48360–64 years, female: 1,48555–59 years, male: 1,64355–59 years, female: 1,98250–54 years, male: 1,41550–54 years, female: 1,94545–49 years, male: 1,62145–49 years, female: 1,53040–44 years, male: 1,88240–44 years, female: 2,47135–39 years, male: 2,02435–39 years, female: 2,09730–34 years, male: 2,59830–34 years, female: 2,31725–29 years, male: 2,05325–29 years, female: 2,07920–24 years, male: 1,63620–24 years, female: 1,32515–19 years, male: 2,33415–19 years, female: 1,41610–14 years, male: 1,51310–14 years, female: 1,2985–9 years, male: 1,0815–9 years, female: 8070–4 years, male: 1,5250–4 years, female: 1,35185+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K

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 560 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

Olympia Income

$81,302median household income

Median household income

$81,302

Half of households earn more, half earn less

Median earnings

$59,184

Typical yearly pay for a worker 25 or older.

Poverty rate

14%

About 1 in 7 residents

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

Olympia Marital Status

40% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married40%43%38%
Never married39%45%33%
Divorced15%9%20%
Widowed5%2%8%
Separated1%<1%2%

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

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources