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ZIP Code Database - Facts & Stats

Data Last Updated: December 1, 2022

ZIP Codes for City of Rockford, IL

Rockford, IL Covers 15 ZIP Codes

ZIP CodeTypeCountyPopulation
ZIP Code 61101StandardWinnebago21,593
ZIP Code 61102StandardWinnebago20,538
ZIP Code 61103StandardWinnebago24,578
ZIP Code 61104StandardWinnebago19,269
ZIP Code 61105P.O. BoxWinnebago0
ZIP Code 61106P.O. BoxWinnebago0
ZIP Code 61107StandardWinnebago30,439
ZIP Code 61108StandardWinnebago28,550
ZIP Code 61109StandardWinnebago28,333
ZIP Code 61110P.O. BoxWinnebago0
ZIP Code 61112StandardWinnebago86
ZIP Code 61114StandardWinnebago15,776
ZIP Code 61115StandardWinnebago23,180
ZIP Code 61125P.O. BoxWinnebago0
ZIP Code 61126P.O. BoxWinnebago0

Timezone(s):Central (GMT -06:00)
Population:152,871 (More Details)
Male Population:73,867
Female Population:79,004
Median Age:36
ZIP Codes:15
Area Codes:2
Total Area:519 square miles (county)
Land Area:513 square miles (county)
Water Area:6 square miles (county)

Rockford, IL Demographic Information *

Total population152,871
Male population73,867
Female population79,004
Median age (years)35.8
White Population99,517
Black Population31,359
Indian Population614
Asian Population4,443
Hawaiian Population41
Hispanic Population24,085
Median age (Male)34.5
Median age (Female)37.3
Total households59,973
Family households (families)37,044
Average household size2.48
Average family size3.14
Total housing units66,700
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 12/1/2022],
  2. Internal Data Creation [Last Updated: 12/1/2022],
  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],