Wildwood is a city in St. Louis County, Missouri, United States. It is located in the far western portion of the county. As of the 2010 census, the population was 35,517. Wildwood is the home of the Al Foster Trail, and numerous other trails, parks, and reserves such as Rockwoods Reservation and Babler State Park.
Wildwood is located at 38°34′54″N 90°38′58″W (38.581653, -90.649427). According to the United States Census Bureau, the city has a total area of 67.08 square miles (173.74 km2), of which 66.42 square miles (172.03 km2) is land and 0.66 square miles (1.71 km2) is water.
Wildwood is bounded to the north by Chesterfield; on the east by Clarkson Valley and Ellisville; to the south by Eureka and Pacific; and on the west by Franklin County.
At the 2010 census there were 35,517 people, 12,112 households, and 10,153 families living in the city. The population density was 534.7 inhabitants per square mile (206.4/km2). There were 12,604 housing units at an average density of 189.8 per square mile (73.3/km2). The racial makeup of the city was 87.2% White, 6.7% African American, 0.2% Native American, 4.0% Asian, 0.4% from other races, and 1.5% from two or more races.