ZIP code
63367
Lake Saint Louis, MO
63367 covers Lake Saint Louis in St. Charles County, with 27,893 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 63367. Methodology
ZIP code map of 63367

About ZIP code 63367
Acceptable cities: Lake St Louis, O Fallon
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 63367. Not ACS. Methodology
People in 63367
Race
- White23,186
- Black or African American1,091
- American Indian or Alaska Native80
- Asian653
- Native Hawaiian and Pacific Islander9
- Other race277
- Two or more races1,713
Hispanic or Latino (any race): 908
Age
- Under 103,730
- 10 to 193,998
- 20 to 292,415
- 30 to 393,781
- 40 to 493,852
- 50 to 593,178
- 60 to 693,048
- 70 to 792,102
- 80 and older905
Income and housing in 63367
Education
- High school graduate97.5%
- Bachelor's degree48.6%
- Graduate degree17.2%
Places covering 63367
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Lake St. Louis61.9%
- O'Fallon26.3%
- Wentzville0.8%
- Dardenne Prairie0.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- St. Charles County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
11.0% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 63367
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 15,988 | |
| 2006 | 16,353 | |
| 2007 | 17,707 | |
| 2008 | 18,224 | |
| 2009 | 19,208 | |
| 2010 | 19,877 | |
| 2011 | 19,510 | 20,404 |
| 2012 | 20,018 | 20,940 |
| 2013 | 20,532 | 21,980 |
| 2014 | 21,186 | 22,230 |
| 2015 | 21,166 | 23,260 |
| 2016 | 22,149 | 24,460 |
| 2017 | 23,625 | 25,050 |
| 2018 | 24,228 | 25,460 |
| 2019 | 25,283 | 26,420 |
| 2020 | 25,930 | 27,250 |
| 2021 | 26,767 | 27,510 |
| 2022 | 27,371 | 28,530 |
| 2023 | 27,893 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 63367
12 nearest ZIP centroids (any distance)
- 63385Wentzville3.7 miPop 50,420 · Income $111,851
- 63368O Fallon3.9 miPop 45,862 · Income $118,811
- 63365New Melle6.1 miPop 56 · Income $41,125
- 63366O Fallon6.9 miPop 54,449 · Income $98,237
- 63304Saint Charles7.5 miPop 43,389 · Income $114,124
- 63341Defiance7.9 miPop 3,554 · Income $177,583
- 63348Foristell8.1 miPop 10,207 · Income $106,458
- 63376Saint Peters10.0 miPop 74,876 · Income $94,921
- 63369Old Monroe11.4 miPop 2,984 · Income $94,079
- 63005Chesterfield11.9 miPop 19,679 · Income $202,232
- 63362Moscow Mills12.4 miPop 9,247 · Income $85,300
- 63073Saint Albans13.2 miPop 1,027 · Income $250,000+
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 63367, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 63367 FAQ
- What city is ZIP code 63367 in?
- 63367 is in Lake Saint Louis, MO.
- What county is 63367 in?
- 63367 is in St. Charles County.
- What is the median household income in 63367?
- The median household income in 63367 is $134,932.
- Which ZIP codes are near 63367?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 63367.