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Zip Code 63048 — Herculaneum, MO

63048 is a ZIP Code associated with Herculaneum, MO, located within Jefferson. The postal region supports an estimated population of 4,228 residents across Data Pending housing units, with a population density of 450.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.259240, -90.391940)

Data MetricLocal Statistic
Postal / Zip Code63048
Primary CityHerculaneum
State / ProvinceMO
CountyJefferson
Total Population4,228
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density450.8 people/sq mi
TimezoneAmerica/Chicago

How 63048 Compares

MetricZIP 63048Jefferson CountyMO State Average
Population4,228199,5616,191,989
Median IncomeData PendingN/AN/A
Population Density450.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 63019Crystal City2.2 mi4,489N/A
Zip 63070Pevely2.3 mi8,428N/A
Zip 63012Barnhart6.1 mi10,314N/A
Zip 63047Hematite6.8 miN/AN/A
Zip 63053Kimmswick7.6 mi56N/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 →