Hazelwood is a second-ring suburb of St. Louis, located in northwestern St. Louis County, Missouri. The population was 25,703 as of the 2010 census. Hazelwood, a northern suburb of St. Louis, is located north of Lambert-St. Louis International Airport and is situated on Interstates 270 and 170, as well as the much-traveled Lindbergh Boulevard and Highway 370.

Hazelwood is located at 38°46′44″N 90°21′59″W / 38.77889°N 90.36639°W / 38.77889; -90.36639 (38.778750, -90.366464). According to the United States Census Bureau, the city has a total area of 16.76 square miles (43.41 km²), of which, 16.02 square miles (41.49 km²) is land and 0.74 square miles (1.92 km²) is water.

As of the census of 2010, there were 25,703 people, 10,933 households, and 6,608 families residing in the city. The population density was 1,604.4 inhabitants per square mile (619.5/km²). There were 11,730 housing units at an average density of 732.2 per square mile (282.7/km²). The racial makeup of the city was 64.1% White, 30.5% African American, 0.3% Native American, 1.4% Asian, 1.2% from other races, and 2.5% from two or more races. Hispanic or Latino of any race were 3.0% of the population.

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