Home > MO > Warren County > Marthasville > Zip 63357

Zip Code 63357 — Marthasville, MO

63357 is a ZIP Code associated with Marthasville, MO, located within Warren. The postal region supports an estimated population of 6,536 residents across Data Pending housing units, with a population density of 20.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.655180, -91.094700)

Data MetricLocal Statistic
Postal / Zip Code63357
Primary CityMarthasville
State / ProvinceMO
CountyWarren
Total Population6,536
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density20.5 people/sq mi
TimezoneAmerica/Chicago

How 63357 Compares

MetricZIP 63357Warren CountyMO State Average
Population6,53637,4306,191,989
Median IncomeData PendingN/AN/A
Population Density20.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 63090Washington8.9 mi23,258N/A
Zip 63068New Haven10.7 mi6,202N/A
Zip 63390Wright City10.7 mi10,970N/A
Zip 63380Truesdale11.0 mi990N/A
Zip 63332Augusta11.6 mi1,651N/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 →