Iroquois
- County:
- Kingsbury County
- County Seat:
- No
- Area (mi²):
- 0.62
- State:
- South Dakota
Iroquois is a city located in Kingsbury County, South Dakota. Iroquois has a 2026 population of 296. Iroquois is currently declining at a rate of 0% annually and its population has decreased by -1.33% since the most recent census, which recorded a population of 300 in 2020.
The median household income in Iroquois is $59,926 with a poverty rate of 2.31%. The median age in Iroquois is 30.8 years: 26.8 years for males, and 41.4 years for females. For every 100 females there are 143.1 males.