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Zip Code 51433 — Auburn, IA

51433 is a ZIP Code associated with Auburn, IA, located within Sac. The postal region supports an estimated population of 567 residents across Data Pending housing units, with a population density of 3.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.276350, -94.870570)

Data MetricLocal Statistic
Postal / Zip Code51433
Primary CityAuburn
State / ProvinceIA
CountySac
Total Population567
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density3.9 people/sq mi
TimezoneAmerica/Chicago

How 51433 Compares

MetricZIP 51433Sac CountyIA State Average
Population5679,3013,210,984
Median IncomeData PendingN/AN/A
Population Density3.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 51449Lake City7.0 mi1,950N/A
Zip 51450Lake View8.4 mi1,619N/A
Zip 51436Breda9.7 mi815N/A
Zip 50561Lytton10.1 mi585N/A
Zip 51451Lanesboro11.0 mi74N/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 →