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Zip Code 61477 — Smithfield, IL

61477 is a ZIP Code associated with Smithfield, IL, located within Fulton. The postal region supports an estimated population of 443 residents across Data Pending housing units, with a population density of 3.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.494500, -90.314020)

Data MetricLocal Statistic
Postal / Zip Code61477
Primary CitySmithfield
State / ProvinceIL
CountyFulton
Total Population443
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density3.4 people/sq mi
TimezoneAmerica/Chicago

How 61477 Compares

MetricZIP 61477Fulton CountyIL State Average
Population44333,48712,694,745
Median IncomeData PendingN/AN/A
Population Density3.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 61459Marietta5.3 mi406N/A
Zip 61427Cuba6.4 mi2,014N/A
Zip 61431Ellisville7.7 mi279N/A
Zip 61482Table Grove8.5 mi492N/A
Zip 61433Fiatt8.8 mi22N/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 →