County · Iowa · United States
Sioux County ZIP codes
13 ZIP codes · 13 cities · FIPS 19167
Key facts
- State
- Iowa (IA)
- FIPS code
- 19167
- Population
- 35,984
- Median household income
- $84,736
- Median age
- 34
- Land area
- 767.9 sq mi (1,988.9 km²)
- Population density
- 47 / sq mi
- Area codes
- 712
Cities and ZIP codes in Sioux County (13)
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.