PlainZIP

Lake Saint Louis, MO · standard

ZIP Code 63367

St. Charles County, Missouri - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

19,433
561/sq mi
$137,648
Median income
$409,100
Median home value
52.0%
Bachelor's or higher

The verdict

Lake Saint Louis pairs a top-decile household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 5%
household income, US ZIPs
Top 20%
home value, US ZIPs
561
people per sq mi
82%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 63367 against every reporting US ZIP.

ZIP code 63367 is a mid-sized community (a standard USPS delivery area) in Lake Saint Louis, St. Charles County, Missouri, home to 19,433 residents across 34.7 square miles, a density of 561 people per square mile, in the Chicago time zone.

ZIP 63367 skews affluent, with a median household income of $137,648 (106% above the Missouri average), while per-capita income is $59,320. Poverty here runs at 3.2%, with unemployment measured at 3.8%. Median home value sits at $409,100 (114% above the state average), median rent at $1,634 a month, and owner-occupancy at 81.5%.

This is a highly-educated ZIP: 52.0% of adults hold a bachelor's degree or higher, the median age is 39.5, and the average commute is 26 minutes. To put 63367 in local context, 7 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in St. Charles County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 63367

Top 5 sectors by establishment count in Lake Saint Louis, MO

Which industries have the most business establishments in ZIP 63367.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 63367, Lake Saint Louis, MO · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

19,433

Population

34.7

Area (sq mi)

561

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 63367?

39.5

Median Age

49.8%

Male

50.2%

Female

4.3%

Foreign-Born

White 83.9%
African American 5.6%
Asian 2.5%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 6.3%
Hispanic or Latino 3.7%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$137,648

Median Household Income

+106% vs state

$59,320

Per Capita Income

3.2%

Poverty Rate

3.8%

Unemployment Rate

26.1 min

Mean Commute Time

How ZIP 63367 ranks nationally

Lake Saint Louis, MO household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$137,648 Top 5% higher than 95% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). This entry sits in this band. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 68.3%
Bachelor's Degree or Higher 52.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

11,586

Total Housing Units

11,125

Occupied Units

461

Vacant Units

2.67

Avg Household Size

Occupancy Type

Owner 81.5%
Renter 18.5%

$409,100

Median Home Value

+114% vs state

$1,634

Median Rent

2005

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+15.2%

YoY Change (2024)

249

HPI Index (2000 = 100)

+149%

Total Change Since 2000

Home values in ZIP 63367 have increased 15.2% over the past year (2024). Since 2000, this ZIP has seen +149% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.0% 160
2021 +10.6% 177
2022 +27.3% 225
2023 -4.0% 216
2024 +15.2% 249

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 527 business establishments in ZIP 63367, employing approximately 7,520 people with a combined annual payroll of $362,360,000.

527

Businesses

7,520

Employees

$362.4M

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 75 14.2%
Retail trade 69 13.1%
Accommodation and food services 55 10.4%
Professional, scientific, and technical services 54 10.3%
Construction 50 9.5%
Other services (except public administration) 45 8.5%
Finance and insurance 42 8.0%
Wholesale trade 34 6.5%
Real estate and rental and leasing 28 5.3%
Administrative and support and waste management and remediation services 25 4.7%
Arts, entertainment, and recreation 12 2.3%
Transportation and warehousing 11 2.1%
Educational services 10 1.9%
Information 9 1.7%
Manufacturing 4 0.8%
Management of companies and enterprises 3 0.6%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 63367 vs 63385 →

ZIP 63367 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 63367 ranks #5 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 63367 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 63367 ranks #3 of 8 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
63385 Wentzville, MO 35,750 3.6 mi
63368 O Fallon, MO 43,360 4.0 mi
63341 Defiance, MO 3,530 7.2 mi
63366 O Fallon, MO 46,175 6.9 mi
63348 Foristell, MO 6,059 8.0 mi
63304 Saint Charles, MO 40,336 8.6 mi
63005 Chesterfield, MO 17,753 12.2 mi

More ZIP Codes in St. Charles County

63376 standard
Saint Peters, MO
Pop: 70,828
63301 standard
Saint Charles, MO
Pop: 48,514
63366 standard
O Fallon, MO
Pop: 46,175
63303 standard
Saint Charles, MO
Pop: 45,834
63368 standard
O Fallon, MO
Pop: 43,360
63304 standard
Saint Charles, MO
Pop: 40,336

Related Areas

St. Charles County Lake Saint Louis, MO Missouri

Frequently Asked Questions

What county is ZIP code 63367 in? ▼
ZIP code 63367 (Lake Saint Louis) is located in St. Charles County, Missouri. St. Charles County contains multiple ZIP codes, see the full list at /counties/st-charles-mo.
What is the population of ZIP code 63367? ▼
ZIP code 63367 in Lake Saint Louis, MO has a population of 19,433 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 63367? ▼
The median household income in ZIP 63367 is $137,648, which is 80% above the national average of $76,288.
What is the average home value in ZIP 63367? ▼
The median home value in ZIP 63367 is $409,100, which is 47% above the national average of $278,155.
What is the demographic makeup of ZIP 63367? ▼
The largest racial group in ZIP 63367 is White at 83.9%. Hispanic or Latino residents make up 3.7% of the population.
How many businesses are in ZIP code 63367? ▼
ZIP code 63367 has 527 business establishments employing approximately 7,520 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 63367? ▼
The top industries by establishment count in ZIP 63367 are: Health care and social assistance (75), Retail trade (69), Accommodation and food services (55). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 63367? ▼
According to the FHFA House Price Index, home values in ZIP 63367 increased by 15.2% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 149%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 63367? ▼
In ZIP code 63367, 68.3% of residents aged 25+ have a high school diploma or higher, and 52.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 63367? ▼
The mean commute time for workers in ZIP code 63367 is 26.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 63367? ▼
In ZIP code 63367, approximately 81.5% of occupied housing units are owner-occupied and 18.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 63367? ▼
The poverty rate in ZIP code 63367 is 3.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.