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ZIP Code Database - Facts & Stats

Data Last Updated: October 1, 2021

ZIP Codes for City of Rock Island, IL

Rock Island, IL Covers 3 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 61201StandardRock Island39,116309
ZIP Code 61204P.O. BoxRock Island0309
ZIP Code 61299UniqueRock Island0309

Timezone(s):Central (GMT -06:00)
Population:39,018 (More Details)
Male Population:18,717
Female Population:20,301
Median Age:37
ZIP Codes:3
Area Codes:1
Total Area:451 square miles (county)
Land Area:427 square miles (county)
Water Area:24 square miles (county)

Rock Island, IL Demographic Information *

Total population39,018
Male population18,717
Female population20,301
Median age (years)37
White Population28,224
Black Population7,122
Indian Population104
Asian Population687
Hawaiian Population8
Hispanic Population3,664
Median age (Male)35.6
Median age (Female)38.5
Total households15,930
Family households (families)9,211
Average household size2.3
Average family size2.97
Total housing units17,422
* Demographic data is based on 2010 Census.

Rock Island, IL Other Information

  • Located in ROCK ISLAND County, Illinois
  • Rock Island, IL is also known as:

94 Cities within 30 miles of Rock Island, IL Products


  1. U.S. Postal Service [Last Updated: 10/1/2021],
  2. Internal Data Creation [Last Updated: 10/1/2021],
  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],