Lake St. Louis vs Wentzville

A side-by-side comparison of Lake St. Louis and Wentzville: population, income, housing, and more.

Lake St. Louis and Wentzville are places in Missouri. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Wentzville has the higher population (45,734 vs 17,538 in Lake St. Louis). Lake St. Louis has the higher median household income ($123,427 vs $111,409 in Wentzville). Lake St. Louis has the higher median home value ($375,300 vs $302,700 in Wentzville).

Population, income & housing

	Lake St. Louis	Wentzville
Population	17,538	45,734
Median age	43.2 yrs	35.7 yrs
Median household income	$123,427	$111,409
Median home value	$375,300	$302,700
Median gross rent	$1,608	$1,264
Housing units	7,495	15,919
Homeownership rate	75.2%	84.6%
Bachelor's degree or higher	49.5%	39.4%
Unemployment rate	4.5%	2.6%

Trends (ACS 5-year, 2019–2023)

	Lake St. Louis	Wentzville
Population	15,989 → 17,538 (+9.7%)	38,841 → 45,734 (+17.7%)
Median household income	$92,298 → $123,427 (+33.7%)	$90,403 → $111,409 (+23.2%)
Median home value	$274,400 → $375,300 (+36.8%)	$228,400 → $302,700 (+32.5%)
Median gross rent	$1,130 → $1,608 (+42.3%)	$1,009 → $1,264 (+25.3%)

Lake St. Louis

Population

15,98917,538

Median household income

$92,298$123,427

Median home value

$274,400$375,300

Median gross rent

$1,130$1,608

Wentzville

Population

38,84145,734

Median household income

$90,403$111,409

Median home value

$228,400$302,700

Median gross rent

$1,009$1,264

Age & race/ethnicity

Age distribution (share)

	Lake St. Louis	Wentzville
Under 5	3.2%	6.5%
5 to 17	16.8%	24.8%
18 to 24	10.3%	6.1%
25 to 34	8.7%	11.6%
35 to 44	13.2%	17.7%
45 to 54	13.2%	13.1%
55 to 64	14.9%	7.9%
65 to 74	9.9%	6.7%
75 and over	9.8%	5.6%

Race & ethnicity (share)

	Lake St. Louis	Wentzville
White (non-Hispanic)	86.7%	86.1%
Black or African American	4.2%	5.6%
American Indian & Alaska Native	0.1%	0.0%
Asian	1.5%	2.1%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.4%	0.2%
Two or more races	4.4%	3.0%
Hispanic or Latino	2.8%	2.9%

Educational attainment (age 25+)

Share of adults 25+

	Lake St. Louis	Wentzville
No high school diploma	2.8%	5.3%
High school graduate	16.7%	19.2%
Some college or associate's	31.0%	36.1%
Bachelor's degree	32.4%	26.3%
Graduate or professional degree	17.1%	13.0%

Commute to work

How workers get to work (share)

	Lake St. Louis	Wentzville
Drove alone	75.3%	76.6%
Carpooled	5.7%	5.8%
Public transit	0.0%	0.0%
Walked	0.2%	0.8%
Bicycle	0.0%	0.0%
Worked from home	18.3%	16.4%
Other means	0.5%	0.4%

Housing

Units in structure (share)

	Lake St. Louis	Wentzville
1-unit, detached	66.9%	83.4%
1-unit, attached	12.2%	6.7%
2 to 4 units	2.9%	2.4%
5 to 19 units	14.2%	3.5%
20 or more units	3.8%	4.0%
Mobile home & other	0.0%	0.1%

Poverty & households

	Lake St. Louis	Wentzville
Poverty rate	4.1%	4.6%
Average household size	2.44	2.91
Mean commute (minutes)	27	28
Median year structure built	1999	2007