Sioux County, IA Zip Codes
17 zip codes across 15 cities in Sioux County, IA
About Sioux County
Sioux County, Iowa (IA) contains 17 unique zip codes spanning 15 cities and communities. Each zip code covers a different area within the county, with varying demographics, income levels, and housing markets.
Browse the complete list below to find detailed population, income, home values, cost of living, and climate data for any zip code in Sioux County.
Cities in Sioux County
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All Zip Codes in Sioux County, IA
| Zip Code | City |
|---|---|
| 51003 | Alton |
| 51011 | Hawarden |
| 51022 | Granville |
| 51023 | Hawarden |
| 51027 | Ireton |
| 51036 | Maurice |
| 51041 | Orange City |
| 51234 | Boyden |
| 51238 | Hospers |
| 51239 | Hull |
| 51244 | Sheldon |
| 51247 | Rock Valley |
| 51250 | Sioux Center |
| 58528 | Cannon Ball |
| 58538 | Fort Yates |
| 58568 | Fort Yates |
| 69346 | Harrison |
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Frequently Asked Questions
How many zip codes are in Sioux County, IA?
Sioux County, IA has 17 zip codes across 15 cities.
What cities are in Sioux County?
Cities in Sioux County include Alton, Boyden, Cannon Ball, Fort Yates, Granville, Harrison, Hawarden, Hospers, Hull, Ireton, Maurice, Orange City, Rock Valley, Sheldon, Sioux Center.
What state is Sioux County in?
Sioux County is located in Iowa (IA).
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.