Smithland, IA ZIP code

The ZIP code for Smithland, Iowa is 51056. It is in Woodbury County.

51056

Population in these ZIPs: 346
Avg. median income: $103,300population-weighted
Typical home value: $164,900population-weighted
Metro area: Sioux City, IA-NE-SD

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Smithland, IA ZIP code list

Smithland, IA ZIP codes
ZIP code	Population	Median income	Typical home value
51056	346	$103,313	$164,900

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 Smithland

Rodney 2 mi
Oto 5 mi
Hornick 6 mi
Climbing Hill 9 mi
Anthon 10 mi
Castana 10 mi
Mapleton 10 mi
Danbury 12 mi
Whiting 14 mi
Moville 15 mi
Onawa 16 mi
Sloan 16 mi

Frequently asked questions

What is the ZIP code for Smithland, IA?

The ZIP code for Smithland, IA is 51056.

What county is Smithland, Iowa in?

Smithland ZIP codes are in Woodbury County.