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Zip Code 51546 — Logan, IA

51546 is a ZIP Code associated with Logan, IA, located within Harrison. The postal region supports an estimated population of 3,114 residents across Data Pending housing units, with a population density of 9.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.639900, -95.772090)

Data MetricLocal Statistic
Postal / Zip Code51546
Primary CityLogan
State / ProvinceIA
CountyHarrison
Total Population3,114
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density9.9 people/sq mi
TimezoneAmerica/Chicago

How 51546 Compares

MetricZIP 51546Harrison CountyIA State Average
Population3,11414,7593,210,984
Median IncomeData PendingN/AN/A
Population Density9.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 51550Magnolia6.4 mi169N/A
Zip 51579Woodbine8.4 mi2,282N/A
Zip 51555Missouri Valley9.2 mi4,952N/A
Zip 51563Persia10.2 mi629N/A
Zip 51565Portsmouth12.8 mi516N/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 →