Grinnell, IA zip code
Grinnell, Iowa uses one zip code: 50112. Most of it is in Poweshiek County. Together these zip codes are home to about 12K people.
Zip codes
1
Population
12K
All zips combined
Largest zip
50112
11,862 residents
Zip codes in Grinnell
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 50112 | 11,862 | $67,078 |