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Zip Code 61455 — Macomb, IL

61455 is a ZIP Code associated with Macomb, IL, located within McDonough. 61455 ranks #1 out of 10 ZIP codes in McDonough County by population (and #261 out of 1,396 in IL). The area supports an estimated population of 17,317 residents across Data Pending housing units, with a population density of 41.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.440470, -90.651150)

Data MetricLocal Statistic
Postal / Zip Code61455
Primary CityMacomb
State / ProvinceIL
CountyMcDonough
Total Population17,317
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density41.1 people/sq mi
TimezoneAmerica/Chicago

How 61455 Compares

MetricZIP 61455McDonough CountyIL State Average
Population17,31726,254 (Total)12,694,745 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density41.1 /sq mi----
County Pop Rank#1 of 10----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 61416Bardolph6.0 mi204N/A
Zip 61411Adair8.1 mi376N/A
Zip 62326Colchester8.7 mi2,236N/A
Zip 61440Industry9.6 mi744N/A
Zip 61422Bushnell9.9 mi3,002N/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 →