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Zip Codes in Grundy County, iowa
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Zip Code
Population
Grundy County, IA 50638
3,313
Grundy County, IA 50669
2,230
Grundy County, IA 50624
1,743
Grundy County, IA 50621
1,462
Grundy County, IA 50680
1,095
Grundy County, IA 50642
581
Grundy County, IA 50613
533
Grundy County, IA 50665
346
Grundy County, IA 50609
336
Grundy County, IA 50673
219
Grundy County, IA 50601
179
Grundy County, IA 50660
132
