Buena Vista County, Iowa Zip Codes

Zip Code	City	Population
50588	Storm Lake	13,263
51002	Alta	2,819
50568	Newell	1,583
50585	Sioux Rapids	1,207
50510	Albert City	994
50565	Marathon	381
50576	Rembrandt	251
50592	Truesdale	141

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