ZIP code · Hancock · Iowa · United States

ZIP code 51536 — Hancock

ZIP code 51536 serves Hancock, Iowa.

Postal code
51536
Single source Value from one source, not cross-checked.
City
Hancock
County
Pottawattamie FIPS 19155
State
Iowa
Country
United States
Coordinates
41.3832, -95.3445 — precision precise (locality)
View on OpenStreetMap
Population
504 (ZCTA, ACS 5-year)
Population density
10 / sq mi
Land area
50.8 sq mi (131.6 km²) (ZCTA, ACS 5-year)
Median household income
$96,250
Per-capita income
$45,247
Median age
47.8
Households
200
Housing units
205
Median home value
$152,700
Median gross rent
$794 / month
Congressional district
IA-4 (119th Congress)
USDA hardiness zone
5b (-15 to -10 °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 85°F), coldest Jan (avg low 12°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F303549627282858377644835
Avg low °F121627375061646253412817
Precip in0.81.12.03.95.45.33.64.93.63.01.61.3

NOAA 1991–2020 climate normals from the nearest station: OAKLAND (5.8 mi) · NOAA NCEI

Places in ZIP 51536

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