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Zip Code 61920 — Charleston, IL

61920 is a ZIP Code associated with Charleston, IL, located within Coles. The postal region supports an estimated population of 20,951 residents across Data Pending housing units, with a population density of 54.5 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.504150, -88.164480)

Data Metric	Local Statistic
Postal / Zip Code	61920
Primary City	Charleston
State / Province	IL
County	Coles
Total Population	20,951
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	54.5 people/sq mi
Timezone	America/Chicago

How 61920 Compares

Metric	ZIP 61920	Coles County	IL State Average
Population	20,951	46,409	12,694,745
Median Income	Data Pending	N/A	N/A
Population Density	54.5 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 61912	Ashmore	7.2 mi	1,255	N/A
Zip 62440	Lerna	9.2 mi	1,107	N/A
Zip 62474	Westfield	10.2 mi	626	N/A
Zip 61938	Mattoon	11.4 mi	20,350	N/A
Zip 61931	Humboldt	12.0 mi	1,350	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →