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.