Iroquois Flag

Iroquois

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 294. Iroquois is currently declining at a rate of -0.34% annually and its population has decreased by -2% 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.

294
Total Population
474
Density (mi²)
-1 -0.34%
Growth

Iroquois Population

Iroquois Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026294-1-0.34%
2025295-1-0.34%
202429600%
2023296-3-1%
202229910.34%
2021298-2-0.67%
202030010.33%
2019256-2-0.78%
2018258-2-0.77%
2017260-1-0.38%
2016261-2-0.76%
2015263-5-1.87%
2014268-1-0.37%
2013269-3-1.1%
201227210.37%
201127151.88%
2010265-1-0.38%

Median Age

Overall: 30.8 years
Female: 41.4 years
Male: 26.8 years

Iroquois Adults

There are 290 adults, (45 of whom are seniors) in Iroquois.

Sex Ratio

Female: 160 (41.1%)
Male: 229 (58.9%)

Demographics

The racial composition of Iroquois includes 89.97% White, 5.4% Native American, and smaller percentages for Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White35089.97%
Native American215.4%
Two or more races153.86%
Asian30.77%
Race
Population ↓
Percentage (of total)
White35089.97%
Native American215.4%
Two or more races153.86%
Asian30.77%

Iroquois Marital Status

Economics and Income Statistics

Iroquois ' average per capita income is $49,500. Household income levels show a median of $59,926. The poverty rate stands at 2.31%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$97,969-
Families$90,833$94,032
Households$59,926$74,202
Non Families$46,250$44,859

$49,500

Average Income

$59,926

Median Household Income

2.31%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)