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CITY · 2010 ACS

Lake St. Louis

Missouri · 14,545 residents · 8.54 sq mi
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The short version

Lake St. Louis is significantly wealthier than the US average, with a median household income of $81,393. Population has grown 43% since 2000. 44% of adults hold a bachelor's degree or higher, well above the national rate of 28%. Median home value is $243,100. Poverty is rare here, at 4.0% of residents. Households here earn about 76% more than the Missouri median.

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

Total population
14,545
+43%since 2000
from 10,169 in 2000
2000 – 2025
Population density
1,703 / sq mi
+43%since 2000
from 1,191 / sq mi in 2000
US average: 261
Median age
41.3
+2%since 2000
from 40.3 in 2000
US average: 37.2
Population, 2000 – 2024
9K12K14K16K19K2000201020202024Lake St. Louis
202418K
2000201020202024
Section 02

Income & economy

Median household income
$81,393
−7%inflation adjusted, since 2000
from $68,830 in 2000
US average: $52,703
2000 – 2024
Per capita income
$39,803
+24%since 2000
from $32,064 in 2000
US average: $27,286
Households earning $100K+
52.3%
−0.8 ptssince 2009
from 53.1% in 2009
US average: 33.3%
Poverty rate
4.0%
+0.1 ptssince 2000
from 3.9% in 2000
US average: 13.8%
Income inequality (Gini)
0.404
US average: 0.461
Workforce by industry, 2010
Retail trade12.2%
US avg: 10.9%
Information9.7%
US avg: 11.5%
Other services7.8%
US avg: 7%
Wholesale trade7.2%
US avg: 7.2%
Public administration6.9%
US avg: 4.9%
Transportation & warehousing4.6%
US avg: 3.1%
Finance & insurance4.1%
US avg: 5.1%
Professional, scientific, technical3.8%
US avg: 4.2%
Arts, entertainment, food2.9%
US avg: 2.4%
Agriculture, forestry, fishing0.5%
US avg: 1.9%
Education & health services0.3%
US avg: 0.9%
Construction0.3%
US avg: 1.4%
Manufacturing0.2%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$243,100
+17%inflation adjusted, since 2000
from $164,600 in 2000
US average: $225,659
2000 – 2024
Median gross rent
$935
+20%inflation adjusted, since 2000
from $616 in 2000
US average: $853
Owner-occupied
62.2%
−18.4 ptssince 2000
from 80.6% in 2000
21.9% rent
Vacancy rate
5.7%
−1.7 ptssince 2009
from 7.4% in 2009
US average: 12.1%
Owner cost-burdened
25.7%
−0.3 ptssince 2009
from 26.0% in 2009
US average: 30.9%
Renter cost-burdened
35.6%
+9.4 ptssince 2009
from 26.1% in 2009
US average: 46.8%
Afford Score
3.0
+25%since 2000
from 2.4 in 2000
2000 – 2024
RELATED:See current rent listings in Lake St. Louis on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic94.8%(9,641)
Black1.8%(183)
Hispanic / Latino1.3%(137)
Asian1%(99)
Other0%
Diversity Score10.1%(1,029)
2010
White, non-Hispanic90.6%(13,178)
Black3.8%(553)
Hispanic / Latino2.1%(305)
Asian2.1%(309)
Other1.8%(265)
Diversity Score23%(3,341)
Diversity Score
23
+127%since 2000
from 10 in 2000
2000 – 2024
Section 05

Education

Bachelor's degree or higher
43.8%
+6.1 ptssince 2000
from 37.7% in 2000
US average: 27.9%
High school or higher
94.9%
+0.5 ptssince 2000
from 94.4% in 2000
US average: 84.9%
Graduate degree
16.7%
+2.0 ptssince 2000
from 14.7% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
27.7 min
+46%since 2000
from 19.0 min in 2000
US average: 25.2
Drive alone to work
85.3%
+0.9 ptssince 2009
from 84.4% in 2009
US average: 76.2%
Carpooled to work
8.0%
−0.3 ptssince 2009
from 8.2% in 2009
US average: 10.4%
Public transit
0.3%
Unchangedsince 2009
from 0.2% in 2009
US average: 4.7%
Worked from home
5.4%
−0.5 ptssince 2009
from 5.8% in 2009
US average: 4.1%
Walked to work
0.3%
Unchangedsince 2009
from 0.3% in 2009
US average: 2.8%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.5%
No vehicle available
1.3%
−0.2 ptssince 2009
from 1.5% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
8.4%
+1.4 ptssince 2009
from 7.0% in 2009
US average: 12.9%
Management & professional
46.7%
−23.5 ptssince 2009
from 70.1% in 2009
US average: 35.2%
Section 08

People & community

Male
49.7%
Unchangedsince 2009
from 49.7% in 2009
Female
50.3%
Unchangedsince 2009
from 50.3% in 2009
Foreign born
4.2%
+0.3 ptssince 2009
from 3.9% in 2009
US average: 12.8%
Veterans
12.1%
−38.2 ptssince 2009
from 50.3% in 2009
US average: 9.9%
Drill deeper

Places similar to Lake St. Louis

Country Walk
Pop 19,291
Bradfordville
Pop 18,953
Palm Valley
Pop 19,796
Jacksonville Beach
Pop 23,615
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%
Population96,101+402%
SEE FULL COMPARISON →
LAKE ST. LOUIS VS
Dardenne Prairie
Income$152,500+87%
Home value$432,000+78%
Population15,032−21%
SEE FULL COMPARISON →
LAKE ST. LOUIS VS
Wentzville
Income$112,394+38%
Home value$331,300+36%
Population49,495+159%
SEE FULL COMPARISON →
LAKE ST. LOUIS VS
St. Peters
Income$91,637+13%
Home value$269,900+11%
Population61,479+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.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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