Oto, IA ZIP code

The ZIP code for Oto, Iowa is 51044. It is in Woodbury County.

51044

Population in these ZIPs: 165
Avg. median income: $90,400population-weighted
Typical home value: $168,100population-weighted
Metro area: Sioux City, IA-NE-SD

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Oto, IA ZIP code list

Oto, IA ZIP codes
ZIP code	Population	Median income	Typical home value
51044	165	$90,417	$168,100

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 Oto

Smithland 5 mi
Anthon 5 mi
Rodney 7 mi
Hornick 8 mi
Climbing Hill 9 mi
Danbury 10 mi
Mapleton 12 mi
Moville 12 mi
Correctionville 13 mi
Castana 14 mi
Bronson 15 mi
Cushing 16 mi

Frequently asked questions

What is the ZIP code for Oto, IA?

The ZIP code for Oto, IA is 51044.

What county is Oto, Iowa in?

Oto ZIP codes are in Woodbury County.