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zipcodes.pro — CITY/IA/MARSHALLTOWN

Marshalltown ZIP code, Iowa

The ZIP code for Marshalltown, IA is 50158, and its area code is 641.

USPS city name
1 ZIP code
Population
27,626
Area code
641
State
Iowa

Marshalltown in numbers

About 27,626 people live in Marshalltown, in 10,135 households, the 17th-largest of Iowa's 1,017 census places. The median household income is $69,068 a year, 8% below the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $127,700 (39% below the Iowa median), and median gross rent is $891 a month. The median age is 35.7; 20.9% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 17 minutes.

Population27,626Marshalltown27,626
Households10,135Marshalltown10,135
Median age35.7Marshalltown35.7Iowa38.6US 38.9
Median household income$69,068Marshalltown$69,068Iowa$75,059US $80,734
Median home value$127,700Marshalltown$127,700Iowa$208,000US $332,700
Median gross rent$891Marshalltown$891Iowa$972US $1,413
Bachelor's degree or higher20.9%Marshalltown20.9%Iowa31.4%US 35.7%
Mean commute17.2 minMarshalltown17.2 minIowa19.8 minUS 26.4 min
Population density1,439 / sq miMarshalltown1,439 / sq mi

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

ZIP codes addressed as Marshalltown

ZIP codes with the USPS city name Marshalltown
ZIP City Type Population Median income Median home
50158 Marshalltown , IA Standard 31,396 $70,367 $140,700

Map of Marshalltown ZIP codes

50158

The ZIP codes of Marshalltown, 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 Marshalltown

The nearest larger towns are Ames (67,669 people, 37 mi), Cedar Falls (40,888 people, 41 mi) and Ankeny (72,615 people, 41 mi).

Towns near Marshalltown
TownPopulationDistance
Tama 3,051 17.7 mi
Grinnell 9,505 22.7 mi
Grundy Center 2,809 23.7 mi
Newton 15,700 24.4 mi
Eldora 2,617 24.7 mi
Nevada 6,983 28.9 mi

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

Cite this page

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

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