Postal Codes

63368 ZIP Code

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ZIP code 63368 covers O Fallon, Missouri, with a population of about 45,862 and a median household income of $118,811.

Population
45,8622,828 per square mile
Median age
38.10.6 points below the US average
Median household income
$118,8111.7× the Missouri median
Poverty rate
3.7%8.7 points below the US average
Typical home value
$419,998up 21.9% in five years
Median rent
$1,4421.4× the Missouri median
Degree or higher
48.7%13.7 points above the US average
Homeownership
81.4%16.4 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
845

Where 63368 is

O Fallon, Missouri — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population45,862
Median age38.1
Family households75.3%
Born outside the US6%
Speaks a language other than English at home7.2%
White (non-Hispanic)83.8%
Black (non-Hispanic)3.6%
Asian (non-Hispanic)5.4%
Hispanic or Latino3.3%
Veterans6%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$118,811
Income per person$52,213
Poverty rate3.7%
Households on SNAP or cash assistance2.9%

Household income distribution

Under $10k1.6%
$10–15k1.0%
$15–20k0.9%
$20–25k1.5%
$25–30k0.6%
$30–35k1.2%
$35–40k2.4%
$40–45k2.3%
$45–50k2.9%
$50–60k4.1%
$60–75k7.1%
$75–100k14.3%
$100–125k13.1%
$125–150k10.8%
$150–200k16.8%
$200k or more19.3%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed22,360
Mean adjusted gross income$105,038
Returns declaring $200,000 or more11.9%
Returns, under $25k22.0%
Returns, $25k–$50k16.9%
Returns, $50k–$75k12.7%
Returns, $75k–$100k10.6%
Returns, $100k–$200k25.9%
Returns, $200k or more11.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$327,700
Median gross rent$1,442
Rent as a share of household income20.9%
Owner-occupied81.4%
Vacant homes2.1%
Median year built2000

What the homes are

Detached house73.7%
Attached house8.5%
2 to 4 units2.5%
5 to 19 units5.6%
20 or more units6%
Mobile home3.6%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$419,998as of 2026-07
Typical home value, 1 yearup 0.7%
Typical home value, 5 yearsup 21.9%
Typical home value, 10 yearsup 66.4%
Typical asking rent$1,841as of 2026-07
Typical asking rent, 1 yearup 3.1%
Typical asking rent, 5 yearsup 26%
Typical home value since 2000
200120132026$419,998$186,368

$186,368 in 2001 to $419,998 in 2026.

Typical asking rent
202120232026$1,841$1,461

$1,461 in 2021 to $1,841 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.5%
Bachelor's degree or higher48.7%
High school diploma or higher96.1%
Works from home16.4%
Drives to work alone76.3%
Takes public transport0.1%
Commutes 45 minutes or more11%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity34.7% 1.3 pts above the national average of 33.4%
Diagnosed diabetes9.5% 2.5 pts below the national average of 12%
Currently smokes11.6% 1.6 pts below the national average of 13.2%
High blood pressure29.8% 4.3 pts below the national average of 34.1%
Fair or poor general health14.1% 6.2 pts below the national average of 20.3%
No health insurance (18–64)5.8% 5.5 pts below the national average of 11.3%
Depression22.8% 0.9 pts above the national average of 21.9%
No leisure-time physical activity21.7% 3.7 pts below the national average of 25.4%
Arthritis24.6% 0.5 pts below the national average of 25.1%
Binge drinking19% 3 pts above the national average of 16%
Taking blood pressure medication75.8% 1.1 pts above the national average of 74.7%
Cancer (non-skin)8.4% 0.7 pts above the national average of 7.7%
Current asthma10% same as the national average of 10.4%
Coronary heart disease4.9% 1.3 pts below the national average of 6.2%
Routine check-up in past year77.8% 1.1 pts above the national average of 76.7%
Cholesterol screening87% 1.1 pts above the national average of 85.9%
Cognitive disability13.7% 1.1 pts below the national average of 14.8%
Colorectal screening65.4% 1.1 pts above the national average of 64.3%
COPD5.2% 1.4 pts below the national average of 6.6%
Visited a dentist68.1% 6.8 pts above the national average of 61.3%
Any disability29.4% 1.3 pts below the national average of 30.7%
Lacks emotional support16.7% 8.1 pts below the national average of 24.8%
Food insecurity7.9% 9.2 pts below the national average of 17.1%
Received food stamps5.2% 9.1 pts below the national average of 14.3%
Hearing disability6.4% same as the national average of 6.7%
High cholesterol35.7% 0.5 pts below the national average of 36.2%
Housing insecurity8% 5.8 pts below the national average of 13.8%
Independent living disability6.3% 2.1 pts below the national average of 8.4%
Lacks transport5.5% 3.7 pts below the national average of 9.2%
Loneliness28.2% 6.2 pts below the national average of 34.4%
Mammography use79.2% 3.3 pts above the national average of 75.9%
Poor mental health (14+ days)15% 1.8 pts below the national average of 16.8%
Mobility disability10.5% 3.5 pts below the national average of 14%
Poor physical health (14+ days)11.3% 2.2 pts below the national average of 13.5%
Self-care disability2.5% 1.5 pts below the national average of 4%
Utility shut-off threat5.7% 3.1 pts below the national average of 8.8%
Sleeps under 7 hours39.5% 3.1 pts above the national average of 36.4%
Stroke2.5% 0.9 pts below the national average of 3.4%
All natural teeth lost8.1% 4.9 pts below the national average of 13%
Vision disability3.2% 2.4 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments845
People employed14,382
Annual payroll$1,097,353,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 71.9% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 11 census tracts this ZIP code covers
Expected annual loss86.6 out of 100
Community resilience91.9 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Strong wind88.4Relatively High at its worst in this ZIP code
Hail88.2Relatively High at its worst in this ZIP code
Tornado81.2Relatively High at its worst in this ZIP code
River flooding80.3Very High at its worst in this ZIP code
Heat wave79.9Relatively High at its worst in this ZIP code
Earthquake76.4Relatively Moderate at its worst in this ZIP code
Cold wave74.6Relatively High at its worst in this ZIP code
Winter weather69.7Relatively High at its worst in this ZIP code
Drought65.7Very Low at its worst in this ZIP code
Lightning64.9Relatively High at its worst in this ZIP code
Landslide57.6Relatively Low at its worst in this ZIP code
Wildfire48.4Relatively Low at its worst in this ZIP code
Ice storm44.5Relatively Low at its worst in this ZIP code
Hurricane21.3Very Low at its worst in this ZIP code
Compared with Missouri and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMissouriUnited States
Median household income$118,811$68,920$78,538
Income per person$52,213$38,497$43,289
Poverty rate3.7%12.6%12.4%
Median home value$327,700$215,600$303,400
Median gross rent$1,442$996$1,348
Homeownership81.4%67.9%65%
Bachelor's degree or higher48.7%31.9%35%
Unemployment rate2.5%4.1%5.2%
Works from home16.4%11.6%13.5%
Born outside the US6%4.4%13.9%
Median age38.138.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationWELDON SPRING NWS, MO US7.1 km away
Rain in a year44 in
Snow in a year14 in

Average high and low by month

January39.3°F / 21.2°F2.61 in rain, 4.1 in snow
February44.8°F / 24.4°F2.43 in rain, 3.7 in snow
March55.2°F / 33.3°F3.74 in rain, 1.7 in snow
April67°F / 43.8°F4.7 in rain, 0.2 in snow
May75.7°F / 54.2°F5.09 in rain
June83.7°F / 63.3°F4.72 in rain
July87.5°F / 67.3°F3.92 in rain
August86.7°F / 65.4°F3.58 in rain
September79.8°F / 57°F3.5 in rain
October68.3°F / 45.6°F3.37 in rain
November55.4°F / 34.9°F3.69 in rain, 0.8 in snow
December44°F / 25.9°F3.07 in rain, 3 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket80% of this ZIP code's area
No vehicle and far from a supermarket15% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Fort Zumwalt R-II School District44.2% of this ZIP code's land area
Wentzville R-IV School District36.8% of this ZIP code's land area
Francis Howell R-III School District19% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability18more vulnerable than 18% of US census tracts
Socioeconomic status15more vulnerable than 15% of US census tracts
Household characteristics32more vulnerable than 32% of US census tracts
Racial and ethnic minority status25more vulnerable than 25% of US census tracts
Housing type and transport33more vulnerable than 33% of US census tracts
Walkability8.2 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

63338 Cottleville, MO6.6 km away
63367 Lake Saint Louis, MO6.7 km away
63366 O Fallon, MO8.2 km away
63304 Saint Charles, MO9.3 km away
63376 Saint Peters, MO9.8 km away
63385 Wentzville, MO12.1 km away
63365 New Melle, MO13.2 km away
63341 Defiance, MO13.3 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

St. Charles County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area16.22 sq mi
Population density2,828 people per sq mi
Latitude, longitude38.7513, -90.7296

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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