PlainZIP

Sioux City, IA ZIP Codes

8

Total ZIPs

85,884

Total Population

ZIP Codes in Sioux City, IA

ZIP Code Population Density Timezone
51106 26,544 329 America/Chicago
51104 22,104 1,099 America/Chicago
51103 17,453 639 America/Chicago
51105 10,216 649 America/Chicago
51108 5,566 48 America/Chicago
51109 3,098 66 America/Chicago
51101 809 265 America/Chicago
51111 94 5 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.