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ZIP CODE TABULATION AREA

63366

Missouri · 54,769 residents · 69.3 sq mi
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ZIP 63366 is a ZIP code of 54,769 people in St. Charles County. 82% of homes are owner-occupied. The foreign-born share is 6%. The poverty rate is 7.0%, under the national 12.5%. The median household earns $100,621, about 22% above the national median. Density works out to 790 people per square mile. Among the 14 ZIP codes in St. Charles County, 63366 ranks 9th by median household income.

$100,621
US average: $82,259
$45,718
US average: $44,673
$304,500
US average: $376,019
33.3%
US average: 35.6%
Land area
69.3 sq mi
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)
44
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
3.0
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
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