US ZIP Code
63367

Lake Saint Louis, MO

Saint Charles County  ·  Missouri

● Active
👥 27,893 Population ↑ 10% since 2019
💰 $134,932 Median HH Income
▲ 77% above avg ↑ 36% since 2019
🎂 39.7 Median Age ↑ 4% since 2019
🏠 $381,000 Median Home Value
▲ 37% above avg ↑ 41% since 2019
🎓 58.6% College Grads
▲ 51% above avg
📊 3.8% Unemployment
▼ 23% below avg ↑ 31% since 2019
ZIP Code Details
ZIP Code63367
CityLake Saint Louis
StateMissouri (MO)
CountySaint Charles County
Area Code636
Elevation609 ft
Latitude38.774189
Longitude-90.795053
TimezoneChicago (DST)
FIPS29183
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 49.5% (13,807) Female 50.5% (14,086) ♀

Race & Ethnicity

White: 85.6%Hispanic: 3.3%Black: 5.1%Asian: 1.6%Other: 4%Race
White85.6%
Hispanic3.3%
Black5.1%
Asian1.6%
Other4.0%

Age Breakdown

Under 5
5%
5–17
19%
18–24
8%
25–44
26%
45–64
26%
65+
7%

Key Indicators

Median Age39.7 yrs ↑ 4% since 2019
Avg Household Size2.65
Below Poverty2.9% ▼ 71% below avg
College Grads58.6% ▲ 51% above avg
Unemployment3.8% ▼ 23% below avg
No HS Diploma45 (0.2%)
HS Graduate2,932 (15.9%)
Some College2,112 (11.4%)
Associates2,567 (13.9%)
Bachelors1,890 (10.2%)
Graduate Degree8,927 (48.3%)

Education

No HS: 0.2%HS Grad: 15.9%Some College: 11.4%Associates: 13.9%Bachelors: 10.2%Graduate: 48.3%Edu
No HS0.2%
HS Grad15.9%
Some College11.4%
Associates13.9%
Bachelors10.2%
Graduate48.3%
Housing & Income

Housing Tenure

Owner: 81%Renter: 19%Tenure
Owner81.0%
Renter19.0%

Home Value Distribution

Under $50k
1%
$50k–100k
2%
$100k–150k
1%
$150k–200k
4%
$200k–300k
20%
$300k–500k
47%
Over $500k
26%

Financials

Median HH Income$134,932 ▲ 77% above avg ↑ 36% since 2019
Median Home Value$381,000 ▲ 37% above avg ↑ 41% since 2019
Home/Income Ratio2.8x (nat avg ~3.5x)
Median Rent$1,654/mo ↑ 46% since 2019
Total Units10,884
Vacant Units354
Avg HH Size2.65

Income Distribution

Under $25k
5%
$25k–50k
8%
$50k–75k
10%
$75k–100k
10%
$100k–150k
24%
$150k–200k
18%
Over $200k
25%
Employment & Commute

How People Get to Work

Drove Alone
77%
Walked
0%
Work From Home
23%

Commute Time

Under 15 min
21%
15–30 min
37%
30–45 min
29%
Over 45 min
13%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
2%
1960s–1970s
11%
1980s–1990s
21%
2000+
66%

Summary

Total Units10,884
Vacant354
Owner Occupied81.0%
Renter Occupied19.0%
Avg HH Size2.65
Frequently Asked Questions
ZIP code 63367 is in Lake Saint Louis, MO, in Saint Charles County.
ZIP code 63367 is located in Missouri (MO).
ZIP code 63367 is in Saint Charles County, MO.
ZIP 63367 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 63367 is 27,893 people (ACS 2023).
The median household income in ZIP code 63367 is $134,932 (ACS 2023).
The median home value in ZIP 63367 is $381,000 (ACS 2023).
About ZIP Code 63367

ZIP code 63367 is located in Lake Saint Louis, Missouri, within Saint Charles County. With a population of 27,893, this is a moderately populated ZIP code with a middle-aged community — the median age is 39.7 years. Economically, 63367 is a upper-middle-income ZIP code: the median household income of $134,932 is significantly above the national average.

Real estate in ZIP code 63367 represents a mid-range housing market. The median home value of $381,000 is above the national average. Renters can expect to pay around $1,654 per month in median rent. Homeownership is strong here — 81.0% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 41% since 2019.

The population of 63367 is primarily White (85.63%). Residents are well-educated — 58.6% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 2.9%. Household income has grown by 36% since 2019.

The unemployment rate in 63367 stands at 3.8%, which is below the national average. About 22% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 73%.

Overall, ZIP code 63367 in Lake Saint Louis, MO is characterized as upper-middle-income, well-educated, a middle-aged community, and predominantly owner-occupied. With 27,893 residents, a median household income of $134,932, and a median home value of $381,000, it offers a clear picture of life in this part of Missouri.