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ZIP Code Database - Facts & Stats

Data Last Updated: October 1, 2021

ZIP Codes for City of Williamsfield, IL

Williamsfield, IL Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 61489StandardKnox900309

Timezone(s):Central (GMT -06:00)
Counties:KNOX, IL
Population:578 (More Details)
Male Population:296
Female Population:282
Median Age:40
ZIP Codes:1
Area Codes:1
Total Area:720 square miles (county)
Land Area:716 square miles (county)
Water Area:3 square miles (county)

Williamsfield, IL Demographic Information *

Total population578
Male population296
Female population282
Median age (years)40.2
White Population568
Black Population2
Indian Population1
Asian Population2
Hawaiian Population0
Hispanic Population3
Median age (Male)37.5
Median age (Female)45
Total households235
Family households (families)162
Average household size2.42
Average family size2.93
Total housing units259
* Demographic data is based on 2010 Census.

Williamsfield, IL Other Information

92 Cities within 30 miles of Williamsfield, IL Products


  1. U.S. Postal Service [Last Updated: 10/1/2021],
  2. Internal Data Creation [Last Updated: 10/1/2021],
  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],