Calhoun County, Iowa Zip Codes

Zip Code	City	Population
50579	Rockwell City	3,153
50563	Manson	2,468
51449	Lake City	2,020
50575	Pomeroy	649
50561	Lytton	592
50538	Farnhamville	562
51453	Lohrville	537
50586	Somers	235
50552	Knierim	75
50551	Jolley	45

Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.