ZIP codes
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Marshalltown, IA Demographics & ZIP Codes
Marshalltown, Iowa demographics and median household income by ZIP code (in Marshall County) — 1 ZIP codes — population 31,163 — median income $71,212 — avg. home value $130,500. Compare income, housing, and population across ZIP codes on US5.
Population
31,163
Median household income (avg.)
$71,212
95% of U.S. median
Average home value
$130,500
37% of U.S. median
Average rent
$688
59% of U.S. median
Median age (avg.)
37.3
Marshalltown demographics
Marshalltown, Iowa covers 1 ZIP code primarily in Marshall County, with a combined ZIP-area population of about 31,163.
Across ZIP codes with age data, the average median age is about 37.3 years.
Median household income in Marshalltown
The average median household income across ZIP codes in Marshalltown, Iowa is about $71,212 — about 4% below the IA ZIP average ($74,194), and about 5% below the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $71,212 in 50158.
Housing in Marshalltown
For housing in Marshalltown, Iowa, the average median home value is about $130,500 and the average median rent is about $688.
The most populous ZIP in this set is 50158 (about 31,163 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Marshalltown
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 50158 | Marshalltown | Marshall County | IA | 31,163 | $71,212 | $130,500 |
Frequently asked questions
What are the demographics of Marshalltown?
Marshalltown, Iowa has a combined ZIP-area population of about 31,163 across 1 ZIP codes (primarily Marshall County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Marshalltown?
The average median household income across ZIP codes in Marshalltown, Iowa is about $71,212, about 4% below the state ZIP average ($74,194), and about 5% below the U.S. median ($75,149). Average median home value is about $130,500.
How many ZIP codes are in Marshalltown?
Marshalltown, Iowa includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Marshalltown?
This page lists ZIP codes in Marshalltown, Iowa with population, median household income, and home value. Select a ZIP for a full demographics profile.