Lake St. Louis is a city located in St. Charles County Missouri. With a 2020 population of 17,139, it is the 51st largest city in Missouri and the 2639th largest city in the United States. Lake St. Louis is currently growing at a rate of 1.28% annually and its population has increased by 2.59% since the most recent census, which recorded a population of 16,707 in 2020. Spanning over 9 miles, Lake St. Louis has a population density of 2,008 people per square mile.
The average household income in Lake St. Louis is $114,193 with a poverty rate of 3.86%. The median rental costs in recent years comes to $1,139 per month, and the median house value is $284,000. The median age in Lake St. Louis is 45.4 years, 43.2 years for males, and 47 years for females.
According to the most recent ACS, the racial composition of Lake St. Louiswas:
The highest rate of high school graduation is among asian people with a rate of 100.00%.
The highest rate of bachelors degrees is among other race people with a rate of 100.00%.
94.14% of Lake St. Louis residents speak only English, while 5.86% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.52% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Lake St. Louis is White, with 3.43% below the poverty level.
The race least likely to be in poverty in Lake St. Louis is Multiple, with 6.30% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.94%. Among those working part-time, it was 3.73%, and for those that did not work, the poverty rate was 8.51%.
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Lake St. Louis
95.98% of Lake St. Louis residents were born in the United States, with 63.53% having been born in Missouri. 1.49% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.
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