Castana, IA ZIP code

The ZIP code for Castana, Iowa is 51010. It is in Monona County.

51010

Population in these ZIPs: 425
Avg. median income: $89,100population-weighted
Typical home value: $201,100population-weighted

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Castana, IA ZIP code list

Castana, IA ZIP codes
ZIP code	Population	Median income	Typical home value
51010	425	$89,063	$201,100

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 Castana

Rodney 8 mi
Onawa 8 mi
Mapleton 9 mi
Smithland 10 mi
Soldier 10 mi
Hornick 13 mi
Moorhead 13 mi
Whiting 13 mi
Ute 14 mi
Blencoe 14 mi
Oto 14 mi
Danbury 17 mi

Frequently asked questions

What is the ZIP code for Castana, IA?

The ZIP code for Castana, IA is 51010.

What county is Castana, Iowa in?

Castana ZIP codes are in Monona County.