
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 55,816. It is also the county seat of .Olympia is currently growing at a rate of 0.08% annually and its population has increased by 0.37% since the most recent census, which recorded a population of 55,608 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.