
Beech Island
- County:
- Aiken County
- County Seat:
- No
- Area (mi²):
- 4.921
- State:
- South Carolina
Beech Island is a CDP located in Aiken County, South Carolina. Beech Island has a 2025 population of 1,701. Beech Island is currently growing at a rate of 7.12% annually and its population has increased by 46.01% since the most recent census, which recorded a population of 1,165 in 2020.
The average household income in Beech Island is $39,328 with a poverty rate of 26.64%. The median age in Beech Island is 39.3 years: 24.5 years for males, and 45.8 years for females.