Cerro Gordo County, Iowa Zip Codes

Zip Code	City	Population
50401	Mason City	28,909
50428	Clear Lake	9,119
50469	Rockwell	1,647
50479	Thornton	736
50482	Ventura	692
50464	Plymouth	512
50477	Swaledale	215
50433	Dougherty	181
50467	Rock Falls	103

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