Iroquois is a city on the border of Beadle and Kingsbury counties in South Dakota, United States. The population was 292 at the 2020 census. The school building (K–12) is located in Kingsbury County, while the school parking lot is located in Beadle County. Highway 14 runs directly through Iroquois.
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thumb|upright=1.8|Panorama of Iroquois from 1912
History
Iroquois was laid out in 1880. The city was named after the Iroquois people. A post office called Iroquois has been in operation since 1880.
Geography
According to the United States Census Bureau, the city has a total area of , all land.
Demographics
2020 census
As of the 2020 census, Iroquois had a population of 292. The median age was 40.3 years. 27.4% of residents were under the age of 18 and 15.4% of residents were 65 years of age or older. For every 100 females there were 117.9 males, and for every 100 females age 18 and over there were 116.3 males age 18 and over.
There were 124 households in Iroquois, of which 33.1% had children under the age of 18 living in them. Of all households, 55.6% were married-couple households, 21.0% were households with a male householder and no spouse or partner present, and 12.9% were households with a female householder and no spouse or partner present. About 21.8% of all households were made up of individuals and 4.8% had someone living alone who was 65 years of age or older.
! Race !! Number !! Percent
|-
| White || 289 || 99.0%
|-
| Black or African American || 0 || 0.0%
|-
| American Indian and Alaska Native || 0 || 0.0%
|-
| Asian || 0 || 0.0%
|-
| Native Hawaiian and Other Pacific Islander || 1 || 0.3%
|-
| Some other race || 0 || 0.0%
|-
| Two or more races || 2 || 0.7%
|-
| Hispanic or Latino (of any race) || 3 || 1.0%
|}
2010 census
As of the census of 2010, there were 266 people, 119 households, and 76 families residing in the city. The population density was . There were 135 housing units at an average density of . The racial makeup of the city was 98.5% White and 1.5% from two or more races. Hispanic or Latino of any race were 0.4% of the population.
There were 119 households, of which 25.2% had children under the age of 18 living with them, 54.6% were married couples living together, 5.0% had a female householder with no husband present, 4.2% had a male householder with no wife present, and 36.1% were non-families. 32.8% of all households were made up of individuals, and 13.5% had someone living alone who was 65 years of age or older. The average household size was 2.24 and the average family size was 2.86.
The median age in the city was 40.6 years. 21.8% of residents were under the age of 18; 6.4% were between the ages of 18 and 24; 25.9% were from 25 to 44; 31.2% were from 45 to 64; and 14.7% were 65 years of age or older. The gender makeup of the city was 52.3% male and 47.7% female.
2000 census
As of the census