
Port Allen
- County:
- West Baton Rouge Parish
- County Seat:
- No
- Area (mi²):
- 2.835
- State:
- Louisiana
Port Allen is a city located in West Baton Rouge Parish, Louisiana. Port Allen has a 2025 population of 4,862. Port Allen is currently declining at a rate of -0.29% annually and its population has decreased by -1.4% since the most recent census, which recorded a population of 4,931 in 2020.
The average household income in Port Allen is $69,004 with a poverty rate of 19.15%. The median age in Port Allen is 44.7 years: 44.4 years for males, and 45.7 years for females.