Caldwell, ID ZIP Codes

Total ZIPs

61,381

Total Population

ZIP Codes in Caldwell, ID

ZIP Code	Population	Density	Timezone
83605	39,649	551	America/Boise
83607	21,732	38	America/Boise

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.