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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Colby, WI

Colby, WI Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 54421StandardClark3,455715

Timezone(s):Central (GMT -06:00)
Counties:CLARK, WI
Population:1,852 (More Details)
Male Population:891
Female Population:961
Median Age:37
ZIP Codes:1
Area Codes:1
Total Area:1,219 square miles (county)
Land Area:1,210 square miles (county)
Water Area:9 square miles (county)

Colby, WI Demographic Information *

Total population1,852
Male population891
Female population961
Median age (years)36.9
White Population1,655
Black Population11
Indian Population7
Asian Population9
Hawaiian Population1
Hispanic Population221
Median age (Male)35.2
Median age (Female)38.6
Total households714
Family households (families)474
Average household size2.46
Average family size2.99
Total housing units757
* Demographic data is based on 2010 Census.

Colby, WI Other Information

41 Cities within 30 miles of Colby, WI Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  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],