Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/IA/HANCOCK

Hancock ZIP code, Iowa

The ZIP code for Hancock, IA is 51536, and its area code is 712.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
216
Area code
712
State
Iowa

Mail addressed to Hancock uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Hancock in numbers

About 216 people live in Hancock, in 97 households. The median household income is $82,083 a year, 9% above the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $98,600 (53% below the Iowa median), and median gross rent is $922 a month. The median age is 47.1; 24.0% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 34 minutes.

Population216Hancock216
Households97Hancock97
Median age47.1Hancock47.1Iowa38.6US 38.9
Median household income$82,083Hancock$82,083Iowa$75,059US $80,734
Median home value$98,600Hancock$98,600Iowa$208,000US $332,700
Median gross rent$922Hancock$922Iowa$972US $1,413
Bachelor's degree or higher24.0%Hancock24.0%Iowa31.4%US 35.7%
Mean commute33.6 minHancock33.6 minIowa19.8 minUS 26.4 min
Population density299 / sq miHancock299 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Hancock city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Hancock

ZIP codes with the USPS city name Hancock
ZIP City Type Population Median income Median home
51536 Hancock , IA Standard 613 $101,750 $163,200

Other ZIP codes overlapping Hancock

These ZIP codes cover part of Hancock but are addressed as somewhere else.

ZIP codes overlapping Hancock
ZIP City Type Population Median income Median home
51560 Oakland , IA Standard 1,772 $75,481 $177,100

Map of Hancock ZIP codes

51536

The ZIP codes of Hancock, IA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Hancock

The nearest larger towns are Oakland (1,408 people, 6.2 mi), Avoca (1,444 people, 6.2 mi) and Shelby (752 people, 9.0 mi).

Towns near Hancock
TownPopulationDistance
Atlantic 6,763 17.5 mi
Harlan 4,891 17.7 mi
Red Oak 5,510 27.2 mi
Council Bluffs 62,586 27.9 mi
Carter Lake 3,767 29.8 mi

More nearby: every ZIP code in Pottawattamie County · Iowa ZIP codes

Cite this page

zipcodes.pro. “Hancock, IA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ia/hancock

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