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ZIP Code Database - Facts & Stats

Data Last Updated: February 1, 2023

ZIP Codes for City of Lyndon, IL

Lyndon, IL Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 61261StandardWhiteside975

Timezone(s):Central (GMT -06:00)
Population:648 (More Details)
Male Population:329
Female Population:319
Median Age:43
ZIP Codes:1
Area Codes:1
Total Area:697 square miles (county)
Land Area:684 square miles (county)
Water Area:12 square miles (county)

Lyndon, IL Demographic Information *

Total population648
Male population329
Female population319
Median age (years)43.1
White Population621
Black Population2
Indian Population1
Asian Population1
Hawaiian Population0
Hispanic Population16
Median age (Male)42.3
Median age (Female)43.6
Total households246
Family households (families)177
Average household size2.63
Average family size3.06
Total housing units264
* 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],