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63366 ZIP Code

O Fallon, Missouri

December 30, 2025
ZIP Code:63366
City/Town:O Fallon
County:Saint Charles
State:Missouri
ZIP Type:Standard
Population:52,746
Median Household Income:$91,698
Per Capita Income:$49,742
Total Housing Units:20,952
Median Home Value:$262,500
Land Area:69.3 sq miles
179.4 sq km
Water Area:1.3 sq miles
3.4 sq km
Coordinates:38.8575, -90.7253

Population Information (63366 zip code)

#%US
Total Population:52,746----
Male:26,49650.2%49.6%
Female:26,25049.8%50.4%
Median Age:39.7 yrs--38.5 yrs
Under 5 years:3,0625.8%5.7%
5 to 9 years:2,8715.4%6.0%
10 to 14 years:3,5966.8%6.5%
15 to 19 years:3,5116.7%6.6%
20 to 24 years:2,6845.1%6.7%
25 to 34 years:6,92113.1%13.7%
35 to 44 years:7,58414.4%12.9%
45 to 54 years:7,04913.4%12.4%
55 to 59 years:3,9737.5%6.5%
60 to 64 years:3,6506.9%6.4%
65 to 74 years:4,7168.9%9.7%
75 to 84 years:2,4154.6%4.8%
85 years and over:7141.4%2.0%

Housing Information (63366 zip code)

#%US
Median home value:$262,500--$281,900
Median rooms:6.0--5.5
Median rent:$1,194 / mo.--$1,268 / mo.
Total housing units:20,952----
Occupied housing units:20,37897.3%38.0%
Vacant housing units:5742.7%4.6%
Housing tenure:------
Owner-occupied:16,49280.9%64.8%
Renter-occupied:3,88619.1%35.2%

Educational Attainment (63366 zip code)

#%US
Population 25 years and over:37,022----
Less than 9th grade:5941.6%4.7%
9th to 12th grade, no diploma:1,5924.3%6.1%
High school graduate:10,53328.5%26.4%
Some college, no degree:8,64623.4%19.7%
Associate degree:2,8417.7%8.7%
Bachelor's degree:8,34022.5%20.9%
Graduate or professional degree:4,47612.1%13.7%
Percent high school graduate or higher:--94.1%89.1%
Percent bachelor's degree or higher:--34.6%34.3%

Income Information (63366 zip code)

ValueUS
Median household income:$91,698 / yr.$75,149 / yr.
Mean household income:$109,552 / yr.$105,833 / yr.
Median family income:$109,838 / yr.$92,646 / yr.
Per capita income:$49,742 / yr.$41,261 / yr.

Employment (63366 zip code)

#%US
In labor force:29,931--63.5%
Employed:28,72796.2%96.4%
Unemployed:1,1393.8%5.3%
Not in labor force:12,355----
Class of Worker:------
Private wage and salary:25,05187.2%79.7%
Government workers:2,7059.4%14.2%
Self-employed:9613.3%5.9%
Unpaid family workers:100.0%0.1%

Race & Ethnicity (63366 zip code)

#%US
Race (one race):------
White:45,16785.6%61.6%
Black or African American:2,3424.4%12.4%
American Indian/Alaska Native:270.1%1.1%
Asian:1,4152.7%6.0%
Native Hawaiian/Pacific Islander:00.0%0.2%
Some other race:7511.4%8.4%
Two or more races:3,0445.8%10.2%
Hispanic or Latino (any race):2,7355.2%18.7%
Mexican:2,3294.4%11.2%
Puerto Rican:1,1062.1%1.8%
Cuban:1510.3%0.7%
Other Hispanic or Latino:430.1%5.0%
Not Hispanic or Latino:1,0292.0%81.1%

Income Distribution (63366 zip code)

Household IncomeHouseholds%US
Less than $10,000:5342.6%4.9%
$10,000 to $14,999:4362.1%3.8%
$15,000 to $24,999:8664.2%7.0%
$25,000 to $34,999:1,1615.7%7.4%
$35,000 to $49,999:2,10810.3%10.7%
$50,000 to $74,999:3,22015.8%16.1%
$75,000 to $99,999:2,87014.1%12.8%
$100,000 to $149,999:4,33121.3%17.1%
$150,000 to $199,999:3,13515.4%8.8%
$200,000 or more:1,7178.4%11.4%

Commute to Work (63366 zip code)

Commute MethodWorkers%US
Drove alone:22,80079.4%67.8%
Carpooled:1,4765.1%8.7%
Public transportation:00.0%4.2%
Walked:3381.2%2.5%
Other means:3581.2%0.9%
Worked from home:3,55712.4%13.8%
Mean travel time to work:25.1 min--26.7 min

Industry (63366 zip code)

Industry SectorWorkers%US
Agriculture, forestry, fishing, mining:3911.4%1.6%
Construction:2,4428.5%6.9%
Manufacturing:3,89113.5%10.0%
Wholesale trade:9113.2%2.4%
Retail trade:3,27911.4%11.0%
Transportation, warehousing, utilities:1,1944.2%5.8%
Information:5431.9%1.9%
Finance, insurance, real estate:2,6099.1%6.7%
Professional, scientific, management:3,13310.9%12.1%
Education, health care, social services:5,95720.7%23.3%
Arts, entertainment, food services:2,1177.4%9.0%
Other services:1,4865.2%4.7%
Public administration:7742.7%4.7%

Poverty Status (63366 zip code)

#%US
Poverty Rate:--6.2%8.8%
All people below poverty level:------
Under 18 years:----16.3%
18 to 64 years:----11.0%
65 years and over:----10.3%

Health Insurance (63366 zip code)

#%US
With health insurance:49,43793.7%91.3%
Private health insurance:42,73181.0%67.6%
Public health coverage:12,63324.0%35.9%
Without health insurance:3,1385.9%8.7%

Benefits & Assistance (63366 zip code)

Households with:#%US
Earnings:16,46580.8%77.4%
Social Security income:6,34331.1%31.0%
Retirement income:5,36126.3%21.8%
Supplemental Security Income (SSI):6333.1%4.5%
Cash public assistance income:4422.2%1.8%
SNAP (food stamps) benefits:1,1665.7%11.4%

Housing Types (63366 zip code)

Structure TypeUnits%US
1-unit, detached:15,39773.5%61.4%
1-unit, attached:2,14010.2%6.1%
2 units:1790.9%3.4%
3 or 4 units:3661.7%4.3%
5 to 9 units:5242.5%4.6%
10 to 19 units:5292.5%4.3%
20 or more units:6823.3%9.9%
Mobile home:1,1355.4%5.8%
Boat, RV, van, etc.:00.0%0.1%

Year Structure Built (63366 zip code)

Year BuiltUnits%US
Built 2020 or later:3321.6%0.6%
Built 2010 to 2019:3,18215.2%8.2%
Built 2000 to 2009:5,97928.5%13.5%
Built 1990 to 1999:4,77622.8%13.2%
Built 1980 to 1989:2,61412.5%13.2%
Built 1970 to 1979:1,5067.2%14.6%
Built 1960 to 1969:1,4937.1%10.2%
Built 1950 to 1959:6943.3%9.9%
Built 1940 to 1949:1640.8%4.6%
Built 1939 or earlier:2121.0%12.0%

Bedrooms (63366 zip code)

Number of BedroomsUnits%US
No bedroom (studio):1120.5%2.4%
1 bedroom:6263.0%3.0%
2 bedrooms:4,30820.6%9.1%
3 bedrooms:10,38249.6%15.9%
4 bedrooms:4,87923.3%18.8%
5 or more bedrooms:6453.1%17.6%

Heating Fuel (63366 zip code)

Fuel TypeUnits%US
Utility gas:12,98063.7%47.1%
Bottled, tank, or LP gas:9914.9%4.9%
Electricity:6,21330.5%40.2%
Fuel oil, kerosene, etc.:810.4%4.2%
Coal or coke:00.0%0.1%
Wood:910.4%1.5%
Solar energy:00.0%0.1%
Other fuel:00.0%0.5%
No fuel used:220.1%0.2%

Vehicles Available (63366 zip code)

VehiclesHouseholds%US
No vehicle available:8294.1%8.3%
1 vehicle available:5,32126.1%32.6%
2 vehicles available:8,96944.0%37.0%
3 or more vehicles available:5,25925.8%22.1%

Home Value Distribution (63366 zip code)

Value RangeOwner Units%US
Less than $50,000:9025.5%5.7%
$50,000 to $99,999:1811.1%7.8%
$100,000 to $149,999:9886.0%9.2%
$150,000 to $199,999:2,42114.7%10.8%
$200,000 to $299,999:5,92835.9%19.9%
$300,000 to $499,999:5,25831.9%24.1%
$500,000 to $999,999:7014.3%17.0%
$1,000,000 or more:1130.7%5.6%

Housing Costs (63366 zip code)

ValueUS
Median owner costs (with mortgage):$1,671 / mo.$1,828 / mo.
Median owner costs (no mortgage):$659 / mo.$584 / mo.
Median gross rent:$1,194 / mo.$1,268 / mo.
Average household size (owner-occupied):2.662.53
Average household size (renter-occupied):2.262.38

Households (63366 zip code)

#%US
Total households:20,378----
Married-couple households:11,41156.0%47.5%
Cohabiting couple households:4,63122.7%7.0%
Male householder, no spouse:2,94114.4%5.4%
Female householder, no spouse:4,78423.5%12.7%
Householder living alone:6,85833.7%28.6%
65 years and over living alone:5,82028.6%11.8%
Average household size:2.58--2.53
Average family size:3.07----

Marital Status (63366 zip code)

Population 15 years and over#%US
Total:21,242----
Never married:6,29429.6%37.0%
Now married:12,33858.1%49.5%
Separated:4222.0%1.5%
Widowed:1,9679.3%2.6%
Divorced:4,97123.4%9.3%

School Enrollment (63366 zip code)

Population 3 years and over#%US
Enrolled in school:12,052----
Nursery school, preschool:1,0218.5%5.8%
Kindergarten:5784.8%5.0%
Elementary school (grades 1-8):5,22843.4%40.5%
High school (grades 9-12):2,84323.6%21.4%
College or graduate school:2,38219.8%27.3%

Veterans & Disability (63366 zip code)

#%US
Civilian population 18 years and over:40,843----
Veterans:3,1927.8%6.3%
Civilian noninstitutionalized population:52,575----
With a disability:6,26911.9%13.4%
Under 18 with disability:4757.6%5.8%
18 to 64 with disability:3,36653.7%10.4%
65 and over with disability:2,42838.7%33.4%

Mobility (Residence 1 Year Ago) (63366 zip code)

Population 1 year and over#%US
Same house:47,23089.5%86.9%
Different house:5,1029.7%13.1%
Same county:2,89256.7%7.0%
Different county:2,18042.7%3.2%
Different state:98019.2%2.5%
Abroad:300.6%0.4%

Place of Birth (63366 zip code)

#%US
Native born:50,49695.7%86.2%
Foreign born:4190.8%13.9%
Naturalized citizen:2,250537.0%52.7%
Not a citizen:2,250537.0%47.3%
Foreign-born by region:------
Europe:2,250537.0%10.5%
Asia:35484.5%31.3%
Africa:184.3%5.5%
Oceania:00.0%0.5%
Latin America:706168.5%50.0%
Northern America:153.6%2.2%

Language Spoken at Home (63366 zip code)

Population 5 years and over#%US
Total:49,684----
English only:47,26595.1%78.3%
Language other than English:2,4194.9%21.5%
By language:------
Spanish:9812.0%13.3%
Other Indo-European languages:4841.0%3.5%
Asian/Pacific Island languages:9241.9%3.5%
Other languages:300.1%1.0%

Computers & Internet (63366 zip code)

Households%US
Households with a computer:20,378100.0%93.1%
Households with broadband internet:19,57296.0%89.4%