Home > IL > McDonough County > Blandinsville > Zip 61420

Zip Code 61420 — Blandinsville, IL

61420 is a ZIP Code associated with Blandinsville, IL, located within McDonough. The postal region supports an estimated population of 968 residents across Data Pending housing units, with a population density of 5.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.549100, -90.866790)

Data MetricLocal Statistic
Postal / Zip Code61420
Primary CityBlandinsville
State / ProvinceIL
CountyMcDonough
Total Population968
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density5.5 people/sq mi
TimezoneAmerica/Chicago

How 61420 Compares

MetricZIP 61420McDonough CountyIL State Average
Population96826,25412,694,745
Median IncomeData PendingN/AN/A
Population Density5.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 61450La Harpe6.3 mi1,812N/A
Zip 61475Sciota6.8 mi180N/A
Zip 62326Colchester9.2 mi2,236N/A
Zip 62374Tennessee10.0 mi216N/A
Zip 61471Raritan10.4 mi134N/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 →