
Olympia
- County:
- Richland County
- County Seat:
- No
- Area (mi²):
- 0.715
- State:
- South Carolina
Olympia is a CDP located in Richland County, South Carolina. Olympia has a 2025 population of 1,533. Olympia is currently growing at a rate of 7.2% annually and its population has increased by 39.62% since the most recent census, which recorded a population of 1,098 in 2020.
The average household income in Olympia is $25,850 with a poverty rate of 86.16%. The median age in Olympia is 21.8 years: 21.6 years for males, and 22.5 years for females.