
Pine Lawn
- County:
- St. Louis County
- County Seat:
- No
- Area (mi²):
- 0.619
- State:
- Missouri
Pine Lawn is a city located in St. Louis County, Missouri. Pine Lawn has a 2025 population of 2,634. Pine Lawn is currently declining at a rate of -0.9% annually and its population has decreased by -4.43% since the most recent census, which recorded a population of 2,756 in 2020.
The average household income in Pine Lawn is $26,663 with a poverty rate of 43.35%. The median age in Pine Lawn is 28.8 years: 15.8 years for males, and 36.4 years for females.