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ZIP Code Database - Facts & Stats

Data Last Updated: August 1, 2022

ZIP Codes for City of Sterling, IL

Sterling, IL Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 61081StandardWhiteside21,934815 / 779

Timezone(s):Central (GMT -06:00)
Population:15,370 (More Details)
Male Population:7,296
Female Population:8,074
Median Age:37
ZIP Codes:1
Area Codes:2
Total Area:697 square miles (county)
Land Area:684 square miles (county)
Water Area:12 square miles (county)

Sterling, IL Demographic Information *

Total population15,370
Male population7,296
Female population8,074
Median age (years)37.3
White Population12,678
Black Population464
Indian Population68
Asian Population107
Hawaiian Population1
Hispanic Population3,715
Median age (Male)34.9
Median age (Female)39.6
Total households6,303
Family households (families)3,840
Average household size2.38
Average family size3.02
Total housing units6,947
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 8/1/2022],
  2. Internal Data Creation [Last Updated: 8/1/2022],
  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],