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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Granite City, IL

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Counties:MADISON, IL
Area Code(s):618
Timezone(s):Central (GMT -06:00)
City Population:29,849 (More Details)
CBSA:St. Louis, MO-IL
Congressional District(s):13
Land Area:716 square miles (county)
Water Area:25 square miles (county)

1 ZIP Code

Granite City, IL ZIP Code Boundaries

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Granite City, IL Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases
62040Standard43,735100.00%MITCHELL, PONTOON BEACH

Granite City, IL Demographic Information *

Total population**29,849
Male population14,487
Female population15,362
Median age (years)38.2
White Population26,722
Black Population1,632
Indian Population114
Asian Population156
Hawaiian Population11
Hispanic Population1,489
Median age (Male)36.6
Median age (Female)39.6
Total households12,214
Family households (families)7,791
Average household size2.42
Average family size3
Total housing units13,578
* Demographic data is based on 2010 Census for the City of GRANITE CITY.
** 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],