Corsica

County:: Douglas County
County Seat:: No
Area (mi²):: 0.837
State:: South Dakota

Corsica is a city located in Douglas County, South Dakota. Corsica has a 2025 population of 552. Corsica is currently declining at a rate of -0.36% annually and its population has decreased by -1.6% since the most recent census, which recorded a population of 561 in 2020.

The average household income in Corsica is $73,552 with a poverty rate of 7.46%. The median age in Corsica is 41.7 years: 31.5 years for males, and 50 years for females.

Demographics

The racial composition of Corsica includes 93.43% White, and smaller percentages for Native American, Two or more races, other race, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Native American

Two or more races

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	611	93.43%
Native American	19	2.91%
Two or more races	16	2.45%
Other race	8	1.22%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Corsica Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Corsica's average per capita income is $46,202. Household income levels show a median of $65,893. The poverty rate stands at 7.46%.

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	$96,875	-
Families	$89,375	$91,743
Households	$65,893	$73,552
Non Families	$31,429	$40,163

$46,202

Average Income

$65,893

Median Household Income

7.46%

Poverty Rate