United States › Missouri › Lake St. Louis CITY · 2010 ACS
Lake St. Louis Missouri · 14,545 residents · 8.54 sq mi
Time machine
COMPARE TO 2000 Census 2009 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS 2024 ACS
The short version
Lake St. Louis is a city of 14,545 people in Missouri. Households here earn about 76% more than in Missouri as a whole. 44% of adults hold a bachelor's degree, against 28% nationally. The population is up 43% since 2000. 78% of homes are owner-occupied. Households take in $81,393 a year at the median, 54% more than the country as a whole.
At a glance
Wealthier
above the US median
US median: $52,703
Older
median age 41.3
US median: 37.2
More educated
44% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01
Population & growth from 40.3 in 2000
US average: 37.2
Population, 2000 – 2024
9K 12K 14K 16K 19K 2000 2010 2020 2024 Lake St. Louis Age distribution, 2010
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $81,393
−7%inflation adjusted, since 2000
from $68,830 in 2000
US average: $52,703
from $32,064 in 2000
US average: $27,286
Households earning $100K+
from 53.1% in 2009
US average: 33.3%
from 3.9% in 2000
US average: 13.8%
Workforce by industry, 2010
Public administration 6.9%
Transportation & warehousing 4.6%
Professional, scientific, technical 3.8%
Arts, entertainment, food 2.9%
Agriculture, forestry, fishing 0.5%
Education & health services 0.3%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
$243,100
+17%inflation adjusted, since 2000
from $164,600 in 2000
US average: $225,659
$935
+20%inflation adjusted, since 2000
from $616 in 2000
US average: $853
from 80.6% in 2000
21.9% rent
from 7.4% in 2009
US average: 12.1%
from 2.50 people in 2009
US average: 2.60
from 26.0% in 2009
US average: 30.9%
from 26.1% in 2009
US average: 46.8%
from 3.0 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 94.8%(9,641)
Hispanic / Latino 1.3%(137)
2010
White, non-Hispanic 90.6%(13,178)
Hispanic / Latino 2.1%(305)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 23 more ancestry groups with data from 37.7% in 2000
US average: 27.9%
High school or higher
from 94.4% in 2000
US average: 84.9%
from 14.7% in 2000
US average: 10.2%
Section 06
Commute & transportation from 19.0 min in 2000
US average: 25.2
from 84.4% in 2009
US average: 76.2%
from 8.2% in 2009
US average: 10.4%
from 0.2% in 2009
US average: 4.7%
from 5.8% in 2009
US average: 4.1%
from 0.3% in 2009
US average: 2.8%
from 0.0% in 2009
US average: 0.5%
from 1.5% in 2009
US average: 8.7%
Section 07
Work & employment from 7.0% in 2009
US average: 12.9%
from 46.0% in 2009
US average: 35.2%
Section 08
People & community from 3.9% in 2009
US average: 12.8%
from 11.4% in 2009
US average: 9.9%
Marital status (2024)
Men 15+
Never married 30.4%(2,382)
Women 15+
Never married 22.2%(1,649)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 8.5% in 2013
US average: 8.4%
from 75.4% in 2020
US average: 54.8%
Direct-purchase
from 13.5% in 2020
US average: 13.8%
from 20.9% in 2020
US average: 18.4%
from 2.1% in 2020
US average: 20.9%
VA health care
from 1.5% in 2020
US average: 2.2%
Any private
from 87.7% in 2020
US average: 67.1%
Any public
from 22.7% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 12.5%(157)
Gulf War (1990s) 20.5%(257)
Share of the 1,255 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
Places similar to Lake St. Louis Head to head
Compare Lake St. Louis to nearby cities LAKE ST. LOUIS VS
O'Fallon
Income $110,443 +36%
Home value $326,200 +34%
Population 96,101 +402%
SEE FULL COMPARISON →
LAKE ST. LOUIS VS
Dardenne Prairie
Income $152,500 +87%
Home value $432,000 +78%
Population 15,032 −21%
SEE FULL COMPARISON →
LAKE ST. LOUIS VS
Wentzville
Income $112,394 +38%
Home value $331,300 +36%
Population 49,495 +159%
SEE FULL COMPARISON →
LAKE ST. LOUIS VS
St. Peters
Income $91,637 +13%
Home value $269,900 +11%
Population 61,479 +221%
SEE FULL COMPARISON →
Frequently asked
How many people live in Lake St. Louis, Missouri? Lake St. Louis, Missouri has about 14,545 residents according to the 2010 American Community Survey.
What is the median household income in Lake St. Louis, Missouri? The typical household in Lake St. Louis, Missouri earns about $81,393 a year. Half of households make more than that, and half make less.
Is Lake St. Louis, Missouri expensive? In Lake St. Louis, Missouri, the median home is worth about $243,100, and the typical rent is about $935 a month.
How educated are people in Lake St. Louis, Missouri? About 43.8% of adults age 25 and over in Lake St. Louis, Missouri hold a bachelor's degree or higher.
What is the poverty rate in Lake St. Louis, Missouri? About 4.0% of people in Lake St. Louis, Missouri live below the federal poverty line.
Keep going
Explore from here 