Zip Code 61931 — Humboldt, IL

61931 is a ZIP Code associated with Humboldt, IL, located within Coles. The postal region supports an estimated population of 1,350 residents across Data Pending housing units, with a population density of 16.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.590670, -88.358830)

Data MetricLocal Statistic
Postal / Zip Code61931
Primary CityHumboldt
State / ProvinceIL
CountyColes
Total Population1,350
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density16.0 people/sq mi
TimezoneAmerica/Chicago

How 61931 Compares

MetricZIP 61931Coles CountyIL State Average
Population1,35046,40912,694,745
Median IncomeData PendingN/AN/A
Population Density16.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 61910Arcola6.5 mi4,769N/A
Zip 61938Mattoon7.7 mi20,350N/A
Zip 61911Arthur9.9 mi4,508N/A
Zip 61920Charleston12.0 mi20,951N/A
Zip 61928Gays12.1 mi776N/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 →