Hazelwood is a second-ring suburb of St. Louis, located in northwestern St. Louis County, Missouri, United States. The population was 25,523 as of 2006. Hazelwood, a northern suburb of St. Louis, is located north of Lambert-St. Louis International Airport and is also situated on Interstates 270 and 170, as well as the much traveled Lindbergh Boulevard and Highway 370.

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