Waterloo, IA ZIP Codes

Total ZIPs

70,157

Total Population

ZIP Codes in Waterloo, IA

ZIP Code	Population	Density	Timezone
50701	30,324	144	America/Chicago
50702	19,970	816	America/Chicago
50703	19,863	82	America/Chicago

All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.