Sioux County, Iowa
13 ZIP codes · 767.91 sq mi of land · FIPS 19167
| Population | 36,212 |
|---|---|
| State | Iowa |
| FIPS code | 19167 |
| Time zone | Central |
| Land area | 767.91 sq mi |
| Center (lat, long) | 43.0826, -96.1780 |
Area codes in this area
These are the area codes that most often serve Sioux County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
AltonChatsworthHawardenIretonMauriceOrange CitySheldonBoydenHospersHullMatlockRock ValleySioux Center
ZIP codes in Sioux County
51003 Alton51011 Chatsworth51023 Hawarden51027 Ireton51036 Maurice51041 Orange City51201 Sheldon51234 Boyden51238 Hospers51239 Hull51244 Matlock51247 Rock Valley51250 Sioux Center
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.