Iroquois ZIP code, South Dakota
The ZIP code for Iroquois, SD is 57353, and its area code is 605.
- USPS city name
- 1 ZIP code
- Population
- 389
- Area code
- 605
- County
- Kingsbury County
- State
- South Dakota
Iroquois in numbers
About 389 people live in Iroquois, in 164 households. The median household income is $59,926 a year, 20% below the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $156,300 (39% below the South Dakota median), and median gross rent is $504 a month. The median age is 30.8; 19.1% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 24 minutes.
| Population | 389 |
|---|---|
| Households | 164 |
| Median age | 30.8 |
| Median household income | $59,926 |
| Median home value | $156,300 |
| Median gross rent | $504 |
| Bachelor's degree or higher | 19.1% |
| Mean commute | 24.0 min |
| Population density | 626 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Iroquois city. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Iroquois
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
57353 | Iroquois , SD | Standard | 812 | $75,625 | $139,300 |
Map of Iroquois ZIP codes
The ZIP codes of Iroquois, SD, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Iroquois
The nearest larger towns are De Smet (943 people, 15 mi), Huron (14,385 people, 18 mi) and Willow Lake (433 people, 21 mi).
| Town | Population | Distance |
|---|---|---|
| Huron | 14,385 | 17.8 mi |
More nearby: every ZIP code in Kingsbury County · South Dakota ZIP codes
Cite this page
zipcodes.pro. “Iroquois, SD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sd/iroquois
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