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Zip Code 51544 — Lewis, IA

51544 is a ZIP Code associated with Lewis, IA, located within Cass. The postal region supports an estimated population of 793 residents across Data Pending housing units, with a population density of 6.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.313160, -95.108170)

Data MetricLocal Statistic
Postal / Zip Code51544
Primary CityLewis
State / ProvinceIA
CountyCass
Total Population793
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density6.2 people/sq mi
TimezoneAmerica/Chicago

How 51544 Compares

MetricZIP 51544Cass CountyIA State Average
Population79313,8723,210,984
Median IncomeData PendingN/AN/A
Population Density6.2 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 51535Griswold6.1 mi1,697N/A
Zip 50022Atlantic9.0 mi8,526N/A
Zip 51577Walnut11.5 mi1,561N/A
Zip 51552Marne12.0 mi169N/A
Zip 51532Elliott12.4 mi644N/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 →