Home > IA > Shelby County > Portsmouth > Zip 51565

Zip Code 51565 — Portsmouth, IA

51565 is a ZIP Code associated with Portsmouth, IA, located within Shelby. The postal region supports an estimated population of 516 residents across Data Pending housing units, with a population density of 4.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.645550, -95.523910)

Data MetricLocal Statistic
Postal / Zip Code51565
Primary CityPortsmouth
State / ProvinceIA
CountyShelby
Total Population516
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density4.4 people/sq mi
TimezoneAmerica/Chicago

How 51565 Compares

MetricZIP 51565Shelby CountyIA State Average
Population51611,3103,210,984
Median IncomeData PendingN/AN/A
Population Density4.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 51562Panama5.7 mi506N/A
Zip 51563Persia6.0 mi629N/A
Zip 51578Westphalia8.4 mi116N/A
Zip 51570Shelby9.1 mi1,118N/A
Zip 51530Earling10.7 mi809N/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 →