Iroquois demographics profile

StatisticIroquoisSouth DakotaNational
Population312851,058318,558,162
Population density (sq mi)5031191
Median age33.736.837.7
Male/Female ratio1.2:11.0:11.0:1
Married (15yrs & older)62%59%55%
Families w/ Kids under 1851%44%43%
Speak English98%94%79%
Speak Spanish0%2%13%
Iroquois, SD has a population of 312 and is the 22,284th largest city in the United States. The population density is 503 per sq mi which is 4552% higher than the South Dakota average and 455% higher than the national average. The median age in Iroquois is 34 which is approximately 8% lower than the South Dakota average of 37. In Iroquois, 62% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 82% of Iroquois residents were born in South Dakota, 18% were born out of state, 0% were born outside of the United States and 0% were foreign born.
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Did you know?

  • The population density in Iroquois is 4552% higher than South Dakota.
  • The median age in Iroquois is 8% lower than South Dakota.
  • In Iroquois 100.00% of the population is White.
  • In Iroquois 0.00% of the population is Black or African American.
  • In Iroquois 0.00% of the population is Asian.

Compare Iroquois, SD Demographics To Other Cities

Iroquois population breakdown by race

RaceIroquoisSouth DakotaNational
White100.00%84.77%73.35%
Black or African American0.00%1.65%12.63%
Asian0.00%1.33%5.22%
American Indian0.00%8.72%0.82%
Native Hawaiian0.00%0.04%0.18%
Mixed race0.00%2.61%3.06%
Other race0.00%0.88%4.75%
In Iroquois, 0.3% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Iroquois age breakdown

Marital status

Age of children in married couples

Source: The Iroquois, SD demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).
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