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Zip Code 63048 — Herculaneum, MO

ZIP Code 63048 is associated with Herculaneum, MO, in Jefferson County. The listed population estimate is 4,228; estimated density is 450.8 people per square mile. Among records with population estimates, it ranks #13 of 14 in Jefferson County and #317 of 1,021 in MO.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.259240, -90.391940)

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

How 63048 Compares

MetricZIP 63048Jefferson County recordsMO records
Population estimate4,228199,561 (sum)6,191,989 (sum)
Population Density450.8 /sq mi----
County population rank#13 of 14----
State population rank#317 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 63019Crystal City2.2 mi4,489
ZIP 63070Pevely2.3 mi8,428
ZIP 63012Barnhart6.1 mi10,314
ZIP 63047Hematite6.8 miN/A
ZIP 63053Kimmswick7.6 mi56

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 →