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ZIP Code 63373, Missouri

ZIP Code 63373 profile, demographic data, and geographic information.

ZCTA5 63373 is a 5-digit ZIP Code area located in St. Charles County, Missouri. As of official census estimates, it has a reported population of 690. The land area covers 18.65 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 690 ±202 2020-2024 / Census ACS 5-Year 2024
Median Age 46 yrs ±7 2020-2024 / Census ACS 5-Year 2024
Total Households 260 ±67 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 303 ±70
Occupied Housing Units 260 ±67
Vacant Housing Units 43 ±19
Median Home Value $221,300 ±$58,473
Median Gross Rent $1,082 ±$204
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $88,750 ±$48,880
Per Capita Income $48,564 ±$14,409
Poverty Rate 8% ±3.8%
Population Below Poverty Level 55 ±31
Unemployment Rate 2.6% ±2.9%
Civilian Labor Force, Employed 382 ±146
Broadband Internet Rate 92.7% ±11.6%
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 KG-08 FLORISSANT, MO
Regular School Nearby PK-05 HAZELWOOD, MO
Regular School Nearby PK-05 ST LOUIS, MO
Regular School Nearby 09-12 Alton, IL
Regular School Nearby 06-08 Alton, IL
Regular School Nearby 06-08 ST CHARLES, MO
Regular School Nearby PK-05 FLORISSANT, MO
Regular School Nearby PK-05 ST CHARLES, MO
Regular School Nearby 03-05 BERKELEY, MO
Regular School Nearby PK-02 ST LOUIS, MO
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Principia College
College 2.3 mi away 1 Maybeck Place, Elsah, IL, 62028-9799
6183742131
JAMESTOWN BLUFFS BRANCH
Library 9.7 mi away 4153 N HIGHWAY 67, FLORISSANT, MO, 63034
(314) 994-3300
Lewis and Clark Community College
College 10.4 mi away 5800 Godfrey Rd, Godfrey, IL, 62035
6184687000
PRAIRIE COMMONS BRANCH
Library 10.2 mi away 915 UTZ LN, HAZELWOOD, MO, 63042
(314) 994-3300
CALC Institute of Technology
College Vocational 11.3 mi away 200A North Center Dr, Alton, IL, 62002
6184740616
FLORISSANT VALLEY BRANCH
Library 10.5 mi away 195 S NEW FLORISSANT RD, FLORISSANT, MO, 63031
(314) 994-3300
Lindenwood University
College 11.8 mi away 209 S Kingshighway St, Saint Charles, MO, 63301-1695
6369492000
HAYNER PUBLIC LIBRARY DISTRICT
Library 10.9 mi away 401 STATE STREET, ALTON, IL, 62002
(618) 462-0677
Midwest Institute
College 11.8 mi away 4260 Shoreline Drive, Earth City, MO, 63045
3143444440
DOWNTOWN LIBRARY
Library 11.0 mi away 326 BELLE STREET, ALTON, IL, 62002
(618) 462-0677
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 CHARLES CO AP, MO US, located 2.3 miles from ZCTA5 63373. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 39.7° 21.9° 30.8° 2.49" —
February 45.1° 25.6° 35.4° 1.89" —
March 56.4° 34.4° 45.4° 3.08" —
April 68.2° 45.1° 56.7° 4.24" —
May 77.3° 55.9° 66.6° 4.60" —
June 85.9° 64.9° 75.4° 4.55" —
July 89.1° 68.1° 78.6° 3.74" —
August 87.8° 66.0° 76.9° 3.68" —
September 81.2° 57.1° 69.1° 2.97" —
October 69.3° 45.8° 57.5° 2.66" —
November 55.4° 34.6° 45.0° 3.15" —
December 44.1° 27.0° 35.5° 2.35" —
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
Elsah village Village 2.3 mi —
Portage Des Sioux city City 2.4 mi —
Grafton city City 3.9 mi —
Otterville town Town 8.4 mi —
Old Jamestown CDP CDP 8.5 mi —
Godfrey village Village 8.9 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 63373. • 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.