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/MARENGO

Marengo ZIP code, Iowa

The ZIP code for Marengo, IA is 52301, and its area code is 319.

USPS city name
1 ZIP code
Population
2,725
Area code
319
State
Iowa

Marengo in numbers

About 2,725 people live in Marengo, in 1,148 households. The median household income is $57,941 a year, 23% below the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $123,200 (41% below the Iowa median), and median gross rent is $700 a month. The median age is 39.6; 12.9% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 20 minutes.

Population2,725Marengo2,725
Households1,148Marengo1,148
Median age39.6Marengo39.6Iowa38.6US 38.9
Median household income$57,941Marengo$57,941Iowa$75,059US $80,734
Median home value$123,200Marengo$123,200Iowa$208,000US $332,700
Median gross rent$700Marengo$700Iowa$972US $1,413
Bachelor's degree or higher12.9%Marengo12.9%Iowa31.4%US 35.7%
Mean commute20.2 minMarengo20.2 minIowa19.8 minUS 26.4 min
Population density1,288 / sq miMarengo1,288 / sq mi

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

ZIP codes addressed as Marengo

ZIP codes with the USPS city name Marengo
ZIP City Type Population Median income Median home
52301 Marengo , IA Standard 4,028 $70,150 $160,300

Map of Marengo ZIP codes

The ZIP codes of Marengo, 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 Marengo

The nearest larger towns are Williamsburg (3,360 people, 9.2 mi), Fairfax (2,900 people, 17 mi) and Tiffin (5,737 people, 22 mi).

Towns near Marengo
TownPopulationDistance
Williamsburg 3,360 9.2 mi
Fairfax 2,900 17.4 mi
Tiffin 5,737 22.3 mi
Cedar Rapids 137,264 23.1 mi
North Liberty 21,125 23.8 mi
Coralville 23,234 25.2 mi
Vinton 4,948 25.4 mi
Hiawatha 7,206 26.5 mi
Robins 3,332 28.1 mi
Kalona 2,692 28.5 mi
Tama 3,051 28.5 mi
Solon 3,152 29.3 mi
Iowa City 75,752 29.4 mi

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

Cite this page

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

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