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Zip Code 61821 — Champaign, IL

61821 is a ZIP Code associated with Champaign, IL, located within Champaign. The postal region supports an estimated population of 28,611 residents across Data Pending housing units, with a population density of 1,435.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.110410, -88.276110)

Data MetricLocal Statistic
Postal / Zip Code61821
Primary CityChampaign
State / ProvinceIL
CountyChampaign
Total Population28,611
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,435.9 people/sq mi
TimezoneAmerica/Chicago

How 61821 Compares

MetricZIP 61821Champaign CountyIL State Average
Population28,611208,55512,694,745
Median IncomeData PendingN/AN/A
Population Density1,435.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 61820Champaign1.7 mi40,599N/A
Zip 61822Champaign2.4 mi27,642N/A
Zip 61801Urbana3.4 mi27,891N/A
Zip 61874Savoy4.2 mi8,811N/A
Zip 61815Bondville4.9 mi335N/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 →