ZIP code · Oto · Iowa · United States

ZIP code 51044 — Oto

ZIP code 51044 serves Oto, Iowa.

Postal code
51044
Single source Value from one source, not cross-checked.
City
Oto
County
Woodbury FIPS 19193
State
Iowa
Country
United States
Coordinates
42.2646, -95.8616 — precision precise (locality)
View on OpenStreetMap
Population
173 (ZCTA, ACS 5-year)
Population density
5 / sq mi
Land area
33.7 sq mi (87.2 km²) (ZCTA, ACS 5-year)
Median household income
$88,750
Per-capita income
$57,161
Median age
72.4
Households
74
Housing units
125
Median home value
$84,100
Congressional district
IA-4 (119th Congress)
USDA hardiness zone
5a (-20 to -15 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Chicago (UTC−6 / UTC−5 DST)
Area code
712
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 84°F), coldest Jan (avg low 9°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F283347607181848275624633
Avg low °F91324354758625950372414
Precip in0.80.91.83.44.84.54.23.83.12.31.51.1

NOAA 1991–2020 climate normals from the nearest station: MAPLETON NO.2 (8.1 mi) · NOAA NCEI

Places in ZIP 51044

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page