Portsmouth, IA ZIP code

The ZIP code for Portsmouth, Iowa is 51565. It is in Shelby County.

51565

Population in these ZIPs: 516
Avg. median income: $103,300population-weighted
Typical home value: $274,300population-weighted

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Portsmouth, IA ZIP code list

Portsmouth, IA ZIP codes
ZIP code	Population	Median income	Typical home value
51565	516	$103,257	$274,300

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Portsmouth

Panama 6 mi
Persia 6 mi
Shelby 9 mi
Westphalia 9 mi
Harlan 11 mi
Earling 11 mi
Logan 12 mi
Woodbine 13 mi
Avoca 14 mi
Neola 14 mi
Minden 16 mi
Dunlap 16 mi

Frequently asked questions

What is the ZIP code for Portsmouth, IA?

The ZIP code for Portsmouth, IA is 51565.

What county is Portsmouth, Iowa in?

Portsmouth ZIP codes are in Shelby County.