
Hazelwood
- County:
- St. Louis County
- County Seat:
- No
- Area (mi²):
- 16.038
- State:
- Missouri
Hazelwood is a city located in St. Louis County, Missouri. Hazelwood has a 2025 population of 24,487. Hazelwood is currently declining at a rate of -0.76% annually and its population has decreased by -3.7% since the most recent census, which recorded a population of 25,427 in 2020.
The average household income in Hazelwood is $68,923 with a poverty rate of 14.15%. The median age in Hazelwood is 38.4 years: 35.2 years for males, and 42 years for females.