Lake Saint Louis, MO 63367 ZIP Code Profile

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Lake Saint Louis, MO

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ZIP Code 63367: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Lake Saint Louis, MO 63367

Acceptable Alternative
Lake St Louis, MO 63367
O Fallon, MO 63367

Not Acceptable, USPS
LSL, MO 63367
Ofallon, MO 63367

  • ZIP Code Type: STANDARD
  • County: Saint Charles County
  • Centroid: Latitude 38.793, Longitude -90.782
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 381
  • PO Box Addresses: 0
  • Residential Addresses: 9,748
    • Multi-Family Addresses: 931
    • Single Family Addresses: 8,817

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


63367 ZIP Code Map

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Lake Saint Louis, MO 63367 Data & Demographics (As of July 1, 2017)


Total Population 23,360
Daytime Population: Workers 7,375
Daytime Population: Residents 11,899
Total Daytime Population (TDP) 19,274
Ratio TDP/Total Population1 0.83
Population in Households 23,360
Population in Familes 19,889
Population in Group Qrtrs 0
Population Density2 1,740
Diversity Index3 24


Median Household Income $80,942
Average Household Income $106,491
Per Capita Income $40,992


Total Housing Units 9,481 (100%)
Owner Occupied HU 7,314 (77.1%)
Renter Occupied HU 1,678 (17.7%)
Vacant Housing Units 489 ( 5.2%)
Median Home Value $261,607
Average Home Value $300,390


Total Households 8,992
Average Household Size 2.6
Family Households 6,585
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 2.85% 1.94%
Households 2.75% 1.93%
Families 2.56% 1.82%
Median Household Income   3.05%
Per Capita Income   2.6%

Lake Saint Louis, MO 63367 - Peer Comparisons by Rank and Percentile

The table below compares 63367 to the other 1,012 ZIP Codes in Missouri by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 74 93rd
Population Density # 92 91st
Diversity Index # 215 79th
Median Household Income # 36 97th
Per Capita Income # 36 97th

Additional comparisons and rankings can be made with a VERY EASY TO USE Missouri Census Data Comparison Tool.

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