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ZIP Code Database - Facts & Stats

Data Last Updated: February 1, 2023

ZIP Codes for City of Rock Falls, IL

Rock Falls, IL Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 61071StandardWhiteside14,381

Timezone(s):Central (GMT -06:00)
Population:9,266 (More Details)
Male Population:4,480
Female Population:4,786
Median Age:39
ZIP Codes:1
Area Codes:1
Total Area:697 square miles (county)
Land Area:684 square miles (county)
Water Area:12 square miles (county)

Rock Falls, IL Demographic Information *

Total population9,266
Male population4,480
Female population4,786
Median age (years)38.8
White Population8,475
Black Population138
Indian Population39
Asian Population28
Hawaiian Population5
Hispanic Population1,395
Median age (Male)37.4
Median age (Female)40.1
Total households3,809
Family households (families)2,387
Average household size2.41
Average family size3
Total housing units4,123
* Demographic data is based on 2010 Census. Products


  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],