CensusEasy
ZIP CODE TABULATION AREA

63366

Missouri · 54,769 residents · 69.284 sq mi
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ZIP 63366 is wealthier than most US places, with a median household income of $100,621. Population has held roughly steady since 2024. Median home value is $304,500. Among the 14 ZIP codes in St. Charles County, 63366 ranks 9th by median household income.

$100,621
US average: $82,259
$304,500
US average: $376,019
33.3%
US average: 35.6%
Age, sex & households
Under 18
21.9%
Age 65+
16.6%
49.8%
50.2%
2.60 people
Race & ethnicity · 2024
2024
White, non-Hispanic79.7%(43,672)
Black5.5%(3,003)
Hispanic / Latino6.4%(3,498)
Asian3.1%(1,684)
Other5.3%(2,912)
Diversity Score44.2%(24,189)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within St. Charles County
Income rank vs other ZIPs
LOWEST9TH OF 14HIGHEST
Adjacent ZIPs
63301$85,308
63303$99,138
63304$114,442
63332$146,146
Frequently asked

How many people live in ZIP code 63366?

ZIP code 63366 has about 54,769 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 63366?

The typical household in ZIP code 63366 earns about $100,621 a year. Half of households make more than that, and half make less.

Is ZIP code 63366 expensive?

In ZIP code 63366, the median home is worth about $304,500, and the typical rent is about $1,302 a month.

How educated are people in ZIP code 63366?

About 33.3% of adults age 25 and over in ZIP code 63366 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 63366?

About 7.0% of people in ZIP code 63366 live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024