
South Williamson
- County:
- Pike County
- County Seat:
- No
- Area (mi²):
- 1.974
- State:
- Kentucky
South Williamson is a CDP located in Pike County, Kentucky. South Williamson has a 2025 population of 308. South Williamson is currently declining at a rate of -6.1% annually and its population has decreased by -40.31% since the most recent census, which recorded a population of 516 in 2020.
The average household income in South Williamson is $118,088 with a poverty rate of 26.6%. The median age in South Williamson is 55.9 years: 55.3 years for males, and 62.4 years for females.