Olympia Flag

Olympia

County:
Thurston County
County Seat:
Yes
Area (mi²):
18.221
State:
Washington

Olympia is a city located in Thurston County, Washington. Olympia has a 2025 population of 56,436 . It is also the county seat of Thurston County . Olympia is currently growing at a rate of 0.29% annually and its population has increased by 1.49% since the most recent census, which recorded a population of 55,609 in 2020.

The average household income in Olympia is $96,481 with a poverty rate of 14.77%. The median age in Olympia is 39.2 years: 35.1 years for males, and 42.6 years for females. For every 100 females there are 95.9 males.

56.4K
Total Population
3,097
Density (mi²)
165 0.29%
Growth

Olympia Population

Demographics

Economics and Income Statistics

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)