
Castle Point
- County:
- St. Louis County
- County Seat:
- No
- Area (mi²):
- 0.608
- State:
- Missouri
Castle Point is a CDP located in St. Louis County, Missouri. Castle Point has a 2025 population of 2,685. Castle Point is currently declining at a rate of -3.07% annually but its population has increased by 12.34% since the most recent census, which recorded a population of 2,390 in 2020.
The average household income in Castle Point is $45,083 with a poverty rate of 37.26%. The median age in Castle Point is 26.9 years: 19.5 years for males, and 27.8 years for females.