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

Zip Code 63376 — Saint Peters, MO

ZIP Code 63376 is associated with Saint Peters, MO, in St. Charles County. The listed population estimate is 74,962; estimated density is 721.1 people per square mile. Among records with population estimates, it ranks #1 of 14 in St. Charles County and #1 of 1,021 in MO.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.800220, -90.616360)

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

How 63376 Compares

MetricZIP 63376St. Charles County recordsMO records
Population estimate74,962416,486 (sum)6,191,989 (sum)
Population Density721.1 /sq mi----
County population rank#1 of 14----
State population rank#1 of 1,021----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in MO

ZIP CodeCityDistancePopulation estimate
ZIP 63303Saint Charles5.7 mi46,089
ZIP 63366O'Fallon6.9 mi54,769
ZIP 63368O'Fallon6.9 mi46,966
ZIP 63304Saint Charles7.5 mi43,195
ZIP 63045Earth City8.4 miN/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 →