Ladue is an inner-ring suburb of St. Louis, located in St. Louis County, Missouri, United States. As of the 2010 census, the city had a population of 8,521. Ladue is located at 38°38′13″N 90°22′54″W (38.636889, -90.381722).According to the United States Census Bureau, the city has a total area of 8.55 square miles (22.14 km2), all land.Tilles Park is a large park within Ladue. As of the census of 2010, there were 8,521 people, 3,169 households, and 2,538 families residing in the city. The population density was 996.6 inhabitants per square mile (384.8/km2). There were 3,377 housing units at an average density of 395.0 per square mile (152.5/km2).
The racial makeup of the city was 94.1% White, 1.0% African American, 0.1% Native American, 3.1% Asian, 0.1% Pacific Islander, 0.3% from other races, and 1.4% from two or more races. Hispanic or Latino of any race were 1.4% of the population. There were 3,169 households, of which 36.6% had children under the age of 18 living with them, 72.6% were married couples living together, 5.6% had a female householder with no husband present, 1.9% had a male householder with no wife present, and 19.9% were non-families. 18.3% of all households were made up of individuals, and 10.3% had someone living alone who was 65 years of age or older. The average household size was 2.69 and the average family size was 3.06.
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