ZIP Code 63366 Map
Census ZIP Code Tabulation Area 63366 in O'Fallon, MO (St. Charles County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 63366 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
54,769
Households
20,967
Median household income
$100,621
Median age
40.4 years
Median home value
$304,500
Median gross rent
$1,302/mo
Owner-occupied homes
82.1%
Bachelor's degree or higher
33.3%
Below poverty level
7%
Land area
69.3 sq mi
Population density
790 / sq mi