Lake St. Louis is a city located in St. Charles County Missouri. Lake St. Louis has a 2023 population of 18,398. Lake St. Louis is currently growing at a rate of 3.09% annually and its population has increased by 9.56% since the most recent census, which recorded a population of 16,792 in 2020.
The average household income in Lake St. Louis is $131,920 with a poverty rate of 2.98%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Lake St. Louis is 43.9 years, 41.2 years for males, and 46 years for females.
According to the most recent ACS, the racial composition of Lake St. Louis was:
2.88
Average Family Size
2.47
Average Household Size
77.3%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
93.97% of Lake St. Louis residents speak only English, while 6.03% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.32% of the population.
2.98%
Overall Poverty Rate
3.32%
Male Poverty Rate
2.62%
Female Poverty Rate
The race most likely to be in poverty in Lake St. Louis is Multiple, with 7.28% below the poverty level.
The race least likely to be in poverty in Lake St. Louis is Hispanic, with 1.57% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.11%. Among those working part-time, it was 3.53%, and for those that did not work, the poverty rate was 7.77%.
Married
Widowed
Divorced
Separated
NeverMarried
62.8%
Overall Marriage Rate
63.9%
Male Marriage Rate
61.7%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
10.53%
Veteran Poverty Rate
30.74%
Veteran Disability Rate
LaborForceParticipation
65.6%
Labor Force Participation
62.6%
Employment Rate
4.5%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
60.31%
Born in Lake St. Louis
91.44%
Native Born
4.83%
Foreign Born
1.54%
Non Citizen
3.29%
Naturalized
91.44% of Lake St. Louis residents were born in the United States, with 60.31% having been born in Missouri. 1.54% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.