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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

KNOX County, IL ZIP Codes

KNOX County, IL Covers 17 ZIP Codes

ZIP CodeClassificationCityPopulationTimezoneArea Code(s)
ZIP Code 61401GeneralGalesburg34,788Central309
ZIP Code 61402P.O. BoxGalesburg0Central309
ZIP Code 61410GeneralAbingdon3,912Central309
ZIP Code 61414GeneralAltona854Central309
ZIP Code 61428GeneralDahinda986Central309
ZIP Code 61430GeneralEast Galesburg828Central309
ZIP Code 61436GeneralGilson951Central309
ZIP Code 61439P.O. BoxHenderson269Central309
ZIP Code 61448GeneralKnoxville3,823Central309
ZIP Code 61458GeneralMaquon822Central309
ZIP Code 61467GeneralOneida1,048Central309
ZIP Code 61472GeneralRio648Central309
ZIP Code 61474GeneralSaint Augustine292Central309
ZIP Code 61485GeneralVictoria560Central309
ZIP Code 61488GeneralWataga1,120Central309
ZIP Code 61489GeneralWilliamsfield900Central309
ZIP Code 61572GeneralYates City1,068Central309

Population:52,919 (More Details)
Male Population:26,582
Female Population:26,337
Median Age:42
ZIP Codes:17
Area Codes:0
Total Area:720 square miles (county)
Land Area:716 square miles (county)
Water Area:3 square miles (county)

KNOX, IL Demographic Information

* Demographic data is based on 2010 Census.

Total population of KNOX County, IL52,919
Male population of KNOX County, IL26,582
Female population of KNOX County, IL26,337
Median age (years)42
White Population46,329
Black Population3,810
Indian Population104
Asian Population338
Hawaiian Population9
Hispanic Population2,558
Median age (Male)39.8
Median age (Female)44.4
Total households21,535
Family households (families)13,324
Average household size for KNOX County, IL2.27
Average family size of KNOX County, IL2.84
Total housing units for KNOX County, IL24,077

KNOX County, IL Covers 16 Cities