In 2023, Lake St. Louis, MO had a population of 17.5k people with a median age of 43.2 and a median household income of $123,427. Between 2022 and 2023 the population of Lake St. Louis, MO grew from 17,088 to 17,538, a 2.63% increase and its median household income grew from $114,230 to $123,427, a 8.05% increase.
The 5 largest ethnic groups in Lake St. Louis, MO are White (Non-Hispanic) (86.7%), Two+ (Non-Hispanic) (4.37%), Black or African American (Non-Hispanic) (4.2%), Asian (Non-Hispanic) (1.47%), and Two+ (Hispanic) (1.19%).
None of the households in Lake St. Louis, MO reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
In 2023, the median property value in Lake St. Louis, MO was $375,300, and the homeownership rate was 75.2%.
Most people in Lake St. Louis, MO drove alone to work, and the average commute time was 26.8 minutes. The average car ownership in Lake St. Louis, MO was 2 cars per household.