
Fort Polk South
- County:
- Allen Parish
- County Seat:
- No
- Area (mi²):
- 6.144
- State:
- Louisiana
Fort Polk South is a CDP located in Allen Parish, Louisiana. Fort Polk South has a 2025 population of 8,149. Fort Polk South is currently declining at a rate of -0.72% annually and its population has decreased by -7.64% since the most recent census, which recorded a population of 8,823 in 2020.
The average household income in Fort Polk South is $85,655 with a poverty rate of 17.99%. The median age in Fort Polk South is 22.9 years: 22.8 years for males, and 23.2 years for females.