
Sycamore Hills
- County:
- St. Louis County
- County Seat:
- No
- Area (mi²):
- 0.134
- State:
- Missouri
Sycamore Hills is a village located in St. Louis County, Missouri. Sycamore Hills has a 2025 population of 537. Sycamore Hills is currently declining at a rate of -0.74% annually and its population has decreased by -3.59% since the most recent census, which recorded a population of 557 in 2020.
The average household income in Sycamore Hills is $80,293 with a poverty rate of 7.07%. The median age in Sycamore Hills is 49.3 years: 38.3 years for males, and 49.6 years for females.