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ZIP Code 63366, Missouri

ZIP Code 63366 profile, demographic data, and geographic information.

ZCTA5 63366 is a 5-digit ZIP Code area located in St. Charles County, Missouri. As of official census estimates, it has a reported population of 54,769. The land area covers 69.28 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 54,769 ±1,913 2020-2024 / Census ACS 5-Year 2024
Median Age 40.4 yrs ±1.3 2020-2024 / Census ACS 5-Year 2024
Total Households 20,967 ±800 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 21,514 ±775
Occupied Housing Units 20,967 ±800
Vacant Housing Units 547 ±247
Median Home Value $304,500 ±$10,895
Median Gross Rent $1,302 ±$61
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $100,621 ±$6,872
Per Capita Income $45,718 ±$1,375
Poverty Rate 7% ±1.4%
Population Below Poverty Level 3,797 ±751
Unemployment Rate 3.5% ±1%
Civilian Labor Force, Employed 30,018 ±1,462
Broadband Internet Rate 94.6% ±1%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 423,726 (2024)
ID: 194522
County Official County Government
Contact: COUNTY EXECUTIVE
100 N 3RD STREET, SUITE 318, SAINT CHARLES MO 63301

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK O'FALLON, MO
Regular School Nearby 06-08 ST CHARLES, MO
Regular School Nearby PK-05 ST CHARLES, MO
Regular School Nearby KG-05 CREVE COEUR, MO
Regular School Nearby KG-04 ST. CHARLES, MO
Regular School Nearby KG-05 WENTZVILLE, MO
Regular School Nearby 06-08 ST CHARLES, MO
Special Education School Nearby KG-12 ST PETERS, MO
Regular School Nearby KG-06 Brussels, IL
Regular School Nearby 07-12 Brussels, IL
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Urshan Graduate School of Theology
College 6.6 mi away 155 Urshan Way, Wentzville, MO, 63385
3148388858
DEER RUN BRANCH
Library 2.5 mi away 1300 N MAIN ST, O'FALLON, MO, 63366
(636) 978-3251
Urshan University
College 6.6 mi away 155 Urshan Way, Wentzville, MO, 63385
3148388858
MIDDENDORF-KREDELL BRANCH
Library 6.3 mi away 2750 HIGHWAY K, O'FALLON, MO, 63368
(636) 978-7926
St Charles Community College
College 8.1 mi away 4601 Mid Rivers Mall Dr, Cottleville, MO, 63376-0975
6369228000
CORPORATE PARKWAY BRANCH
Library 6.4 mi away 1200 CORPORATE PKWY, WENTZVILLE, MO, 63385
(636) 332-8280
The Salon Professional Academy-St Charles
College Vocational 11.1 mi away 3141 West Clay Street, St. Charles, MO, 63301-1021
6365419757
MID RIVERS MALL
Library 7.2 mi away 2004 MID RIVERS MALL, ST. PETERS, MO, 63376
(636) 204-5393
Lindenwood University
College 13.1 mi away 209 S Kingshighway St, Saint Charles, MO, 63301-1695
6369492000
WINGHAVEN BRANCH
Library 7.9 mi away 7435 VILLAGE CENTER DR, O'FALLON, MO, 63368
(636) 561-3385
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at ST PETERS 2 SE, MO US, located 9.6 miles from ZCTA5 63366. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 39.3° 21.2° 30.2° 2.44" 4.7"
February 44.9° 24.8° 34.8° 2.37" 5.0"
March 55.5° 33.3° 44.4° 3.46" 1.5"
April 67.3° 43.3° 55.3° 4.74" 0.1"
May 76.3° 53.5° 64.9° 4.80" 0.0"
June 84.4° 63.3° 73.9° 4.26" 0.0"
July 88.1° 67.5° 77.8° 4.23" 0.0"
August 87.2° 65.4° 76.3° 3.76" 0.0"
September 80.8° 57.1° 68.9° 3.07" 0.0"
October 68.5° 45.2° 56.9° 3.11" 0.0"
November 54.9° 35.0° 44.9° 3.54" 0.8"
December 43.6° 26.5° 35.0° 2.56" 2.7"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
St. Paul city City 1.0 mi —
Josephville village Village 3.9 mi —
O'Fallon city City 5.4 mi —
Old Monroe city City 5.5 mi —
Chain of Rocks village Village 5.7 mi —
Lake St. Louis city City 6.3 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 63366. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.