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Shelby County, Iowa Zip Codes
Zip Code
City
Population
51537
Harlan
6,852
51570
Shelby
974
51531
Elk Horn
784
51530
Earling
629
51565
Portsmouth
530
51562
Panama
486
51446
Irwin
483
51527
Defiance
395
51447
Kirkman
152
51578
Westphalia
142
Population is the most recent figure from the U.S. Census Bureau's 2022
American Community Survey (ACS) 5-Year Estimates
.