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Zip Code 61938 — Mattoon, IL

ZIP Code 61938 is associated with Mattoon, IL, in Coles County. The listed population estimate is 20,350; estimated density is 62.1 people per square mile. Among records with population estimates, it ranks #2 of 6 in Coles County and #235 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.480040, -88.375710)

Data MetricLocal Statistic
Postal / Zip Code61938
Primary CityMattoon
State / ProvinceIL
CountyColes
Total Population20,350
Population Density62.1 people/sq mi
TimezoneAmerica/Chicago

How 61938 Compares

MetricZIP 61938Coles County recordsIL records
Population estimate20,35046,409 (sum)12,694,745 (sum)
Population Density62.1 /sq mi----
County population rank#2 of 6----
State population rank#235 of 1,390----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in IL

ZIP CodeCityDistancePopulation estimate
ZIP 61928Gays7.0 mi776
ZIP 61931Humboldt7.7 mi1,350
ZIP 62440Lerna8.4 mi1,107
ZIP 62469Trilla9.3 mi552
ZIP 61920Charleston11.4 mi20,951

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 →