ZIP code 63366 is in St. Charles County, Missouri. About 54,769 people live here in 20,967 households. The median home value is $304,500 and the median household income $100,621. The average commute takes about 27 minutes.
ZIP code tabulation area · ACS 2020–2024 · Updated October 24, 2026
54,769residentsACS 2020–2024
$100,621median household incomeSt. Charles County: $105K
$304,500median home valueSt. Charles County: $321K
95%of households have broadbandhome internet subscription
63366 in MissouriZIP codes coloured by median household income
63366
<$45K$125K+
Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates · U.S. Census Bureau, 2024 Gazetteer and 2020 ZCTA relationship files
People.
54,769 residents in 20,967 households, next to the St. Charles County figure.
22%
under 18
HereSt. Charles County
20%
aged 18–34
HereSt. Charles County
17%
aged 65 and over
HereSt. Charles County
25%
of households are people living alone
HereSt. Charles County
56%
of households are married couples
HereSt. Charles County
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Homes.
21,514 housing units; the median owner-occupied home is valued at $304,500 (±$10,895).
82%
of households own their home
HereSt. Charles County
76%
of homes are detached single-family houses
HereSt. Charles County
8%
are in buildings with 5 or more units
HereSt. Charles County
5%
are mobile homes
HereSt. Charles County
3%
of housing units are vacant
HereSt. Charles County
$1,302
median gross rent a month
HereSt. Charles County
When homes were built
2020 or later4%
2010–201914%
2000–200927%
1990–199925%
1980–198912%
1970–19797%
1960–19696%
1950–19593%
1940–19491%
1939 or earlier1%
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Income and work.
Household income and work, in 2024 dollars; median household income ±$6,872.
$100,621
median household income
HereSt. Charles County
7.0%
of people live below the poverty line
HereSt. Charles County
3.5%
unemployment rate
HereSt. Charles County
33%
of adults 25+ hold a bachelor’s degree or higher
HereSt. Charles County
The poverty rate uses the federal poverty thresholds, which vary with family size. It says nothing on its own about what a neighborhood is like to live in.
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Getting around.
How workers aged 16 and over get to work, and how long it takes.
27 min
average commute to work
HereSt. Charles County
11%
of commuters travel 45 minutes or more
HereSt. Charles County
81%
of workers drive or carpool
HereSt. Charles County
0%
take public transportation
HereSt. Charles County
1%
walk or bike
HereSt. Charles County
16%
work from home
HereSt. Charles County
5%
of households have no car
HereSt. Charles County
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Internet.
Home internet subscriptions.
95%
of households have a broadband subscription
HereSt. Charles County
4%
have no internet access at home
HereSt. Charles County
American Community Survey figures are estimates from a rolling sample, averaged over 2020–2024. Each comes with a margin of error, which is wider in places with fewer people.
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Businesses in 63366.
1,192 business establishments with paid employees have an address in this ZIP code.
Grocery stores and supermarkets5
Convenience stores0
Pharmacies and drug stores5
Retail bakeries0
Full-service restaurants32
Limited-service restaurants56
Coffee shops and snack bars16
Bars6
Physicians’ offices18
Dentists’ offices14
Child care centers11
Gyms and fitness centers11
Movie theaters0
Museums0
Counts are business establishments with paid employees, by the ZIP code of their address. Self-employed people without staff, and public facilities such as libraries, are not included.
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023
Health.
Estimated share of adults in 63366, next to the national figure.
77%
had a routine checkup in the past year
HereUnited States
65%
visited a dentist in the past year
HereUnited States
7%
of 18–64s have no health insurance
HereUnited States
25%
get no leisure-time physical activity
HereUnited States
41%
usually sleep less than 7 hours
HereUnited States
14%
smoke
HereUnited States
37%
have obesity
HereUnited States
11%
have diagnosed diabetes
HereUnited States
32%
have high blood pressure
HereUnited States
17%
report fair or poor general health
HereUnited States
17%
report frequent mental distress
HereUnited States
29%
often feel lonely
HereUnited States
10%
faced food insecurity in the past year
HereUnited States
10%
faced housing insecurity in the past year
HereUnited States
7%
lacked reliable transportation in the past year
HereUnited States
These are model-based estimates for adults from the CDC’s PLACES project, combining national health surveys with local population data. They are not counts of local patients, and small differences between nearby ZIP codes are within the margin of the model.
Source: Centers for Disease Control and Prevention, PLACES 2025 release (ZCTA), public domain
Nearest public schools.
In a straight line from the center of the ZIP code. Attendance zones are set by each school district.
MOUNT HOPE ELEM.O'FALLON1.4 mi
MIKE CLEMENS CENTER ADAPT LRNGO'FALLON2.9 mi
WESTHOFF ELEM.O'FALLON3.0 mi
JOSEPH L. MUDD ELEM.O'FALLON3.6 mi
FOREST PARK ELEM.O'FALLON3.6 mi
Source: National Center for Education Statistics, EDGE public school locations 2024–25
Nearby ZIP codes.
ZIP codes here are the Census Bureau’s ZIP Code Tabulation Areas, which closely match the postal ZIP codes used for addresses.