Home > MO > St. Charles County > Saint Peters > Zip 63376

Zip Code 63376 — Saint Peters, MO

63376 is a ZIP Code associated with Saint Peters, MO, located within St. Charles. The postal region supports an estimated population of 74,962 residents across Data Pending housing units, with a population density of 721.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.800220, -90.616360)

Data MetricLocal Statistic
Postal / Zip Code63376
Primary CitySaint Peters
State / ProvinceMO
CountySt. Charles
Total Population74,962
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density721.1 people/sq mi
TimezoneAmerica/Chicago

How 63376 Compares

MetricZIP 63376St. Charles CountyMO State Average
Population74,962416,4866,191,989
Median IncomeData PendingN/AN/A
Population Density721.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 63303Saint Charles5.7 mi46,089N/A
Zip 63366O'Fallon6.9 mi54,769N/A
Zip 63368O'Fallon6.9 mi46,966N/A
Zip 63304Saint Charles7.5 mi43,195N/A
Zip 63045Earth City8.4 miN/AN/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →