Corsica is a city in Douglas County, South Dakota, United States. The population was 561 at the 2020 census.
History
Corsica was laid out in 1905. The town took its name from Corsica, the native land of a share of the railroad workers.
Demographics
2020 census
As of the 2020 census, Corsica had a population of 561. The median age was 56.4 years. 17.1% of residents were under the age of 18 and 36.9% of residents were 65 years of age or older. For every 100 females there were 77.0 males, and for every 100 females age 18 and over there were 79.5 males age 18 and over.
There were 239 households in Corsica, of which 23.4% had children under the age of 18 living in them. Of all households, 57.3% were married-couple households, 15.1% were households with a male householder and no spouse or partner present, and 24.7% were households with a female householder and no spouse or partner present. About 35.1% of all households were made up of individuals and 18.8% had someone living alone who was 65 years of age or older.
! Race !! Number !! Percent
|-
| White || 521 || 92.9%
|-
| Black or African American || 3 || 0.5%
|-
| American Indian and Alaska Native || 7 || 1.2%
|-
| Asian || 0 || 0.0%
|-
| Native Hawaiian and Other Pacific Islander || 0 || 0.0%
|-
| Some other race || 2 || 0.4%
|-
| Two or more races || 28 || 5.0%
|-
| Hispanic or Latino (of any race) || 13 || 2.3%
|}
2010 census
As of the census of 2010, there were 592 people, 245 households, and 153 families residing in the city. The population density was . There were 286 housing units at an average density of . The racial makeup of the city was 97.6% White, 0.2% African American, 0.7% Native American, 0.2% Asian, and 1.4% from two or more races. Hispanic or Latino of any race were 1.0% of the population.
There were 245 households, of which 23.3% had children under the age of 18 living with them, 51.4% were married couples living together, 8.6% had a female householder with no husband present, 2.4% had a male householder with no wife present, and 37.6% were non-families. 31.4% of all households were made up of individuals, and 20.4% had someone living alone who was 65 years of age or older. The average household size was 2.20 and the average family size was 2.78.
The median age in the city was 53 years. 19.3% of residents were under the age of 18; 6.9% were between the ages of 18 and 24; 14.5% were from 25 to 44; 25.5% were from 45 to 64; and 33.8% were 65 years of age or older. The gender makeup of the city was 47.3% male and 52.7% female.
2000 census
As of the census