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/DUNCOMBE

Duncombe ZIP code, Iowa

The ZIP code for Duncombe, IA is 50532, and its area code is 515.

USPS city name
1 ZIP code
Population
376
Area code
515
State
Iowa

Duncombe in numbers

About 376 people live in Duncombe, in 172 households. The median household income is $52,500 a year, 30% below the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $117,100 (44% below the Iowa median), and median gross rent is $656 a month. The median age is 34.8; 14.2% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 21 minutes.

Population376Duncombe376
Households172Duncombe172
Median age34.8Duncombe34.8Iowa38.6US 38.9
Median household income$52,500Duncombe$52,500Iowa$75,059US $80,734
Median home value$117,100Duncombe$117,100Iowa$208,000US $332,700
Median gross rent$656Duncombe$656Iowa$972US $1,413
Bachelor's degree or higher14.2%Duncombe14.2%Iowa31.4%US 35.7%
Mean commute21.4 minDuncombe21.4 minIowa19.8 minUS 26.4 min
Population density192 / sq miDuncombe192 / sq mi

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

ZIP codes addressed as Duncombe

ZIP codes with the USPS city name Duncombe
ZIP City Type Population Median income Median home
50532 Duncombe , IA Standard 804 $65,000 $151,000

Map of Duncombe ZIP codes

The ZIP codes of Duncombe, 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 Duncombe

The nearest larger towns are Coalville (649 people, 6.4 mi), Otho (380 people, 8.4 mi) and Webster City (7,769 people, 9.1 mi).

Towns near Duncombe
TownPopulationDistance
Webster City 7,769 9.1 mi
Fort Dodge 24,827 9.5 mi
Eagle Grove 3,593 14.4 mi
Humboldt 4,771 21.0 mi
Clarion 2,770 22.6 mi
Story City 3,398 28.7 mi
Boone 12,424 29.7 mi

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

Cite this page

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

Underlying data is public domain or openly licensed — sources, vintages and licences.