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Zip Code 48877 — Riverdale, MI

48877 is a ZIP Code associated with Riverdale, MI, located within Gratiot. The postal region supports an estimated population of 1,962 residents across Data Pending housing units, with a population density of 20.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.400680, -84.843160)

Data MetricLocal Statistic
Postal / Zip Code48877
Primary CityRiverdale
State / ProvinceMI
CountyGratiot
Total Population1,962
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density20.5 people/sq mi
TimezoneAmerica/Detroit

How 48877 Compares

MetricZIP 48877Gratiot CountyMI State Average
Population1,96243,62310,077,716
Median IncomeData PendingN/AN/A
Population Density20.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 48832Elwell3.4 mi1,307N/A
Zip 48891Vestaburg3.6 mi2,915N/A
Zip 48889Sumner7.9 mi1,528N/A
Zip 48801Alma8.5 mi13,278N/A
Zip 48896Winn8.8 mi226N/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 →