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Zip Code 50643 — Hudson, IA

50643 is a ZIP Code associated with Hudson, IA, located within Black Hawk. The postal region supports an estimated population of 3,027 residents across Data Pending housing units, with a population density of 20.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.364130, -92.474020)

Data MetricLocal Statistic
Postal / Zip Code50643
Primary CityHudson
State / ProvinceIA
CountyBlack Hawk
Total Population3,027
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density20.3 people/sq mi
TimezoneAmerica/Chicago

How 50643 Compares

MetricZIP 50643Black Hawk CountyIA State Average
Population3,027134,4413,210,984
Median IncomeData PendingN/AN/A
Population Density20.3 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 50612Buckingham7.0 mi369N/A
Zip 50669Reinbeck7.4 mi2,439N/A
Zip 50701Waterloo7.6 mi30,232N/A
Zip 50657Morrison10.3 mi96N/A
Zip 50702Waterloo10.4 mi20,882N/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 →