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ZIP Code Database - Facts & Stats

Data Last Updated: July 1, 2022

CLARK County, IL ZIP Codes

CLARK County, IL Covers 6 ZIP Codes

ZIP CodeClassificationCityPopulationTimezoneArea Code(s)
ZIP Code 62420GeneralCasey4,759Central217
ZIP Code 62423GeneralDennison724Central217
ZIP Code 62441GeneralMarshall7,395Central217
ZIP Code 62442GeneralMartinsville2,421Central217
ZIP Code 62474GeneralWestfield848Central217
ZIP Code 62477GeneralWest Union946Central217

Population:16,335 (More Details)
Male Population:7,962
Female Population:8,373
Median Age:42
ZIP Codes:6
Area Codes:0
Total Area:505 square miles (county)
Land Area:501 square miles (county)
Water Area:3 square miles (county)

CLARK, IL Demographic Information

* Demographic data is based on 2010 Census.

Total population of CLARK County, IL16,335
Male population of CLARK County, IL7,962
Female population of CLARK County, IL8,373
Median age (years)42.3
White Population16,027
Black Population48
Indian Population25
Asian Population55
Hawaiian Population3
Hispanic Population172
Median age (Male)41
Median age (Female)43.5
Total households6,782
Family households (families)4,593
Average household size for CLARK County, IL2.38
Average family size of CLARK County, IL2.87
Total housing units for CLARK County, IL7,772

CLARK County, IL Covers 6 Cities