Griswold, IA ZIP code

The ZIP code for Griswold, Iowa is 51535. It is in Cass County.

51535

Population in these ZIPs: 1,697
Avg. median income: $76,400population-weighted
Typical home value: $195,700population-weighted

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Griswold, IA ZIP code list

Griswold, IA ZIP codes
ZIP code	Population	Median income	Typical home value
51535	1,697	$76,371	$195,700

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 Griswold

Lewis 6 mi
Elliott 6 mi
Grant 9 mi
Cumberland 13 mi
Red Oak 14 mi
Atlantic 15 mi
Carson 15 mi
Oakland 15 mi
Henderson 16 mi
Hancock 17 mi
Walnut 17 mi
Stanton 17 mi

Frequently asked questions

What is the ZIP code for Griswold, IA?

The ZIP code for Griswold, IA is 51535.

What county is Griswold, Iowa in?

Griswold ZIP codes are in Cass County.