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ZIP Code Database - Facts & Stats

Data Last Updated: December 1, 2021

ZIP Codes for City of Gridley, IL

Gridley, IL Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 61744StandardMclean2,031309

Timezone(s):Central (GMT -06:00)
Counties:MCLEAN, IL
Population:1,432 (More Details)
Male Population:707
Female Population:725
Median Age:39
ZIP Codes:1
Area Codes:1
Total Area:1,186 square miles (county)
Land Area:1,183 square miles (county)
Water Area:3 square miles (county)

Gridley, IL Demographic Information *

Total population1,432
Male population707
Female population725
Median age (years)39.2
White Population1,396
Black Population10
Indian Population3
Asian Population4
Hawaiian Population0
Hispanic Population21
Median age (Male)38.2
Median age (Female)40.4
Total households574
Family households (families)404
Average household size2.49
Average family size3.03
Total housing units609
* Demographic data is based on 2010 Census.

Gridley, IL Other Information

  • Located in MCLEAN County, Illinois
  • Gridley, IL is also known as:
    • WALDO, IL

85 Cities within 30 miles of Gridley, IL Products


  1. U.S. Postal Service [Last Updated: 12/1/2021],
  2. Internal Data Creation [Last Updated: 12/1/2021],
  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],