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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Herculaneum, MO

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Area Code(s):636
Timezone(s):Central (GMT -06:00)
City Population:3,468 (More Details)
CBSA:St. Louis, MO-IL
Congressional District(s):08
Land Area:657 square miles (county)
Water Area:8 square miles (county)

1 ZIP Code

Herculaneum, MO ZIP Code Boundaries

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Herculaneum, MO Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Herculaneum, MO Demographic Information *

Total population**3,468
Male population1,699
Female population1,769
Median age (years)37.8
White Population3,310
Black Population61
Indian Population10
Asian Population37
Hawaiian Population0
Hispanic Population31
Median age (Male)36
Median age (Female)39.6
Total households1,309
Family households (families)927
Average household size2.53
Average family size3
Total housing units1,449
* Demographic data is based on 2010 Census for the City of HERCULANEUM.
** City and ZIP Code Population will not be equal due to differences in their geographies.


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],