Home > IA > Shelby County > Harlan > Zip 51537

Zip Code 51537 — Harlan, IA

51537 is a ZIP Code associated with Harlan, IA, located within Shelby. The postal region supports an estimated population of 6,382 residents across Data Pending housing units, with a population density of 15.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.646460, -95.295310)

Data MetricLocal Statistic
Postal / Zip Code51537
Primary CityHarlan
State / ProvinceIA
CountyShelby
Total Population6,382
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density15.0 people/sq mi
TimezoneAmerica/Chicago

How 51537 Compares

MetricZIP 51537Shelby CountyIA State Average
Population6,38211,3103,210,984
Median IncomeData PendingN/AN/A
Population Density15.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 51578Westphalia7.2 mi116N/A
Zip 51447Kirkman7.4 mi113N/A
Zip 51446Irwin10.4 mi499N/A
Zip 51531Elk Horn11.4 mi889N/A
Zip 51543Kimballton11.5 mi478N/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 →