Home > IL > Vermilion County > Armstrong > Zip 61812

Zip Code 61812 — Armstrong, IL

61812 is a ZIP Code associated with Armstrong, IL, located within Vermilion. The postal region supports an estimated population of 322 residents across Data Pending housing units, with a population density of 5.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.258690, -87.889890)

Data MetricLocal Statistic
Postal / Zip Code61812
Primary CityArmstrong
State / ProvinceIL
CountyVermilion
Total Population322
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density5.7 people/sq mi
TimezoneAmerica/Chicago

How 61812 Compares

MetricZIP 61812Vermilion CountyIL State Average
Population32272,50812,694,745
Median IncomeData PendingN/AN/A
Population Density5.7 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 61862Penfield4.5 mi581N/A
Zip 61831Collison5.4 mi160N/A
Zip 61865Potomac5.6 mi1,167N/A
Zip 61871Royal6.6 mi296N/A
Zip 61847Gifford7.6 mi1,144N/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 →