
Westlake
- County:
- Calcasieu Parish
- County Seat:
- No
- Area (mi²):
- 3.824
- State:
- Louisiana
Westlake is a city located in Calcasieu Parish, Louisiana. Westlake has a 2025 population of 4,469. Westlake is currently declining at a rate of -2.12% annually and its population has decreased by -9.79% since the most recent census, which recorded a population of 4,954 in 2020.
The average household income in Westlake is $88,135 with a poverty rate of 10.62%. The median age in Westlake is 37.8 years: 37.1 years for males, and 39.9 years for females.