63367 ZIP Code — Lake Saint Louis, MO

Saint Charles County, Missouri

ZIP code 63367 is located in Lake Saint Louis, Missouri, within Saint Charles County. It covers approximately 12.95 square miles and serves a population of 27,371 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 636.

About ZIP code 63367

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $362,000. Owner-occupancy is high at 84%, well above the national average.

Median household income is $131,657. The poverty rate of 2% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average. Remote work is prevalent — 20% of workers work from home.

Educational attainment is high — 49% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 63367 reflects a community defined by high homeownership and a high rate of remote workers.

27,371

population

12.95

sq mi land

Standard

ZIP type

Central (CT)

timezone

63367 ZIP code map

Cities in ZIP code 63367

Below are the cities the US Postal Service accepts for ZIP code 63367. Using any city not on this list may result in mail delivery delays.

City	Status
Lake Saint Louis	Acceptable
Lake Saint Louis	Preferred

Nearby ZIP codes

63368 O Fallon (3.2 mi) 63385 Wentzville (3.2 mi) 63385 Wentzville (3.2 mi) 63366 O Fallon (7.3 mi) 63366 O Fallon (7.3 mi) 63366 O Fallon (7.3 mi) 63348 Foristell (7.8 mi) 63341 Defiance (7.9 mi) 63304 Saint Charles (8 mi) 63304 Saint Charles (8 mi) 63304 Saint Charles (8 mi) 63376 Saint Peters (9 mi)

Demographics updated 06/2026

Population
Total population	27,371
Population density	2,114 / sq mi
State FIPS	29
County FIPS	183

Geography
Land area	12.95 sq mi
Water area	0.81 sq mi
Latitude	38.7734
Longitude	-90.7920
Timezone	Central (CT)
Area code	636

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	19.4%	24.9%	43.8%
$50k – $100k	26.7%	32.4%	31.5%
$100k – $200k	40.9%	33.0%	19.5%
Over $200k	13.0%	9.7%	5.2%

Demographics & statistics

27,371

Population

2,114

People per sq mi

39.8

Median age

$131,657

Median household income

$54,985

Per capita income

$362,000

Median home value

$1,443

Median monthly rent

83.8%

Home ownership

2.3%

Poverty rate

3.5%

Unemployment

8,731

Housing units

49.2%

Bachelor's or higher

Age distribution

Male Female

679

Under 5

673

1,023

5–9

1,014

907

10–14

898

1,076

15–19

1,066

738

20–24

731

1,367

25–34

1,354

2,141

35–44

2,122

1,845

45–54

1,828

723

55–59

716

940

60–64

931

1,255

65–74

1,244

900

75–84

891

155

85+

154

← Male

Female →

Age summary

Group	Count	%
Under 18	6,672	24.4%
18 and over	20,699	75.6%
65 and over	4,599	16.8%
Median age	39.8 years

Race & ethnicity

White 83.9%

Black or African American 5.2%

Two or more races 4.9%

Hispanic or Latino 3.5%

Asian 1.7%

Other race 0.9%

American Indian / Alaska Native 0.1%

Group	Count	%
White	23,789	83.9%
Black or African American	1,466	5.2%
Two or more races	1,378	4.9%
Hispanic or Latino	998	3.5%
Asian	476	1.7%
Other race	247	0.9%
American Indian / Alaska Native	15	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	19.4%	24.9%	43.8%
$50k – $100k	26.7%	32.4%	31.5%
$100k – $200k	40.9%	33.0%	19.5%
Over $200k	13.0%	9.7%	5.2%

Under $10k 1.9%

$10k–$15k 0.5%

$15k–$25k 2.0%

$25k–$35k 2.3%

$35k–$50k 8.7%

$50k–$75k 10.1%

$75k–$100k 11.3%

$100k–$150k 23.2%

$150k–$200k 18.9%

$200k+ 21.2%

Range	% of households
Under $10k	1.9%
$10k–$15k	0.5%
$15k–$25k	2.0%
$25k–$35k	2.3%
$35k–$50k	8.7%
$50k–$75k	10.1%
$75k–$100k	11.3%
$100k–$150k	23.2%
$150k–$200k	18.9%
$200k+	21.2%
Median income	$131,657

Housing

Home values

Under $50k 0.8%

$50k–$100k 2.3%

$100k–$150k 1.1%

$150k–$200k 4.4%

$200k–$300k 23.6%

$300k–$500k 49.4%

$500k–$1M 17.6%

$1M+ 0.8%

Housing overview

Metric	Value
Median home value	$362,000
Median rent / month	$1,443
Owner occupied	83.8%
Renter occupied	16.2%
Vacant	1.9%
Single-family detached	76.6%
Large apartment buildings	1.6%
Mobile homes	0.0%
Median rooms	7.1
Avg household size (owned)	2.76

Year built

Era	%
2020 or later	3.5%
2010–2019	24.4%
2000–2009	29.9%
1990–1999	13.5%
1980–1989	12.4%
1970–1979	12.7%
1960–1969	3.2%
1950–1959	0.2%
1940–1949	0.0%
1939 or earlier	0.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	4.6%
2 bedrooms	17.9%
3 bedrooms	36.0%
4 bedrooms	33.3%
5+ bedrooms	7.7%

Vehicles per household

Vehicles	% of households
No vehicle	1.5%
1 vehicle	19.4%
2 vehicles	49.7%
3 or more	29.4%

Heating fuel

Fuel type	%
Utility gas	67.1%
Electricity	30.3%
Propane / LP gas	2.0%
Fuel oil	0.5%

Households & families

Household type	Count	%
Married-couple family	7,014	68.9%
Cohabiting couple	662	6.5%
Male householder, no spouse	818	8.0%
Female householder, no spouse	1,683	16.5%
Households with children under 18	3,747	36.8%
Households with seniors (65+)	3,042	29.9%
Average household size	2.69

Marital status

Status	Male	Female
Never married	27.0%	19.4%
Married	65.0%	61.9%
Separated	1.3%	0.2%
Widowed	1.1%	6.1%
Divorced	5.6%	12.4%

Education

Less than 9th grade 0.4%

Some HS, no diploma 2.3%

HS graduate 18.1%

Some college, no degree 21.0%

Associate's degree 9.1%

Bachelor's degree 31.4%

Graduate / professional 17.8%

Metric	%
HS diploma or higher	97.3%
Bachelor's or higher	49.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	728	9.9%
Kindergarten	369	5.0%
Elementary school	2,926	39.8%
High school	2,039	27.7%
College / grad school	1,297	17.6%

Employment

Industry of employment

Education & healthcare 21.3%

Professional & management 13.6%

Retail trade 13.5%

Finance & real estate 11.5%

Manufacturing 10.7%

Construction 7.7%

Arts, food & hospitality 6.2%

Public administration 4.1%

Other services 3.3%

Transportation & utilities 3.1%

Wholesale trade 3.0%

Information 1.3%

Agriculture & mining 0.6%

Occupation

Category	%
Management, business & arts	48.5%
Service	11.6%
Sales & office	24.7%
Natural resources & construction	6.1%
Production & transportation	9.1%

Employment type

Type	%
Private sector	87.1%
Government	9.6%
Self-employed	3.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	73.7%
Carpool	5.1%
Public transit	0.0%
Walk	0.3%
Work from home	20.2%
Other means	0.7%
Avg commute (minutes)	26.5

Poverty

All people 2.3%

Under 18 years 0.7%

18 and over 2.9%

Married-couple families 2.6%

Female-led households 6.3%

Income support

Source	% of households
Social Security	29.0%
Retirement income	28.4%
Supplemental Security	2.7%
Cash public assistance	2.1%
Food stamps / SNAP	1.3%

Health indicators

Condition	%
Obesity	30.7%
High blood pressure	26.5%
High cholesterol	32.5%
Diabetes	7.8%
Heart disease	5.4%
Stroke	2.4%
Asthma	8.5%
Arthritis	23.4%
Kidney disease	2.3%
Pulmonary disease	5.5%
Cancer	6.5%

Behavior / access	%
Smoking	15.0%
Binge drinking	20.6%
No physical activity	20.1%
Less than 7 hrs sleep	31.7%
Depression	22.4%
Fair or poor health	11.0%
Poor mental health	13.8%
Poor physical health	8.7%
No health insurance	11.5%
Visited doctor (checkup)	74.0%
Visited dentist	68.0%
Cholesterol screening	90.5%
Teeth loss	10.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,763	8.5%

Disability	%
Any disability	10.3%
Under 18	4.1%
18–64 years	7.4%
65 and over	29.3%

Health insurance coverage

Type	%
Private insurance	86.9%
Public insurance	20.5%
No insurance	2.7%
Uninsured under 19	1.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	26,019	95.1%
Spanish	155	0.6%
Other Indo-European	81	0.3%
Asian & Pacific Islander	41	0.2%
Other languages	24	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	26,357	96.3%
Born in same state	26,171	95.6%
Born in different state	17,790	65.0%
Foreign born	186	0.7%
Naturalized citizen	1,014	3.7%
Not a US citizen	699	68.9%

Ancestry

Ancestry	Count	%
Italian	5,030	18.4%
French	3,901	14.3%
Arab	1,621	5.9%
English	152	0.6%
Polish	147	0.5%

Ancestry	Count	%
Irish	128	0.5%
Norwegian	54	0.2%
German	47	0.2%
Dutch	20	0.1%

Technology access

Metric	% of households
Computer access	37.2%
Internet access	98.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 63367

What city is ZIP code 63367 in?

ZIP code 63367 is primarily assigned to Lake Saint Louis, Missouri.

What county is ZIP code 63367 in?

ZIP code 63367 falls within Saint Charles County, Missouri.

Is ZIP code 63367 mostly owner-occupied?

84% of occupied units in ZIP code 63367 are owner-occupied, well above the national average.

How educated is the population of ZIP code 63367?

49% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 63367?

The median household income in ZIP code 63367 is $131,657, above the national median of ~$75,000.

What is the typical home value in ZIP code 63367?

The median home value in ZIP code 63367 is $362,000.

What timezone is ZIP code 63367 in?

ZIP code 63367 observes the CST timezone.