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Grinnell, IA Demographics & ZIP Codes
Grinnell, Iowa demographics and median household income by ZIP code (in Poweshiek County) — 1 ZIP codes — population 11,776 — median income $64,707 — avg. home value $198,100. Compare income, housing, and population across ZIP codes on US5.
Population
11,776
Median household income (avg.)
$64,707
86% of U.S. median
Average home value
$198,100
57% of U.S. median
Average rent
$676
58% of U.S. median
Median age (avg.)
39.5
Grinnell demographics
Grinnell, Iowa covers 1 ZIP code primarily in Poweshiek County, with a combined ZIP-area population of about 11,776.
Across ZIP codes with age data, the average median age is about 39.5 years.
Median household income in Grinnell
The average median household income across ZIP codes in Grinnell, Iowa is about $64,707 — about 13% below the IA ZIP average ($74,194), and about 14% below the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $64,707 in 50112.
Housing in Grinnell
For housing in Grinnell, Iowa, the average median home value is about $198,100 and the average median rent is about $676.
The most populous ZIP in this set is 50112 (about 11,776 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Grinnell
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 50112 | Grinnell | Poweshiek County | IA | 11,776 | $64,707 | $198,100 |
Frequently asked questions
What are the demographics of Grinnell?
Grinnell, Iowa has a combined ZIP-area population of about 11,776 across 1 ZIP codes (primarily Poweshiek County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Grinnell?
The average median household income across ZIP codes in Grinnell, Iowa is about $64,707, about 13% below the state ZIP average ($74,194), and about 14% below the U.S. median ($75,149). Average median home value is about $198,100.
How many ZIP codes are in Grinnell?
Grinnell, 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 Grinnell?
This page lists ZIP codes in Grinnell, Iowa with population, median household income, and home value. Select a ZIP for a full demographics profile.