Marion

County:: Turner County
County Seat:: No
Area (mi²):: 0.868
State:: South Dakota

Marion is a city located in Turner County, South Dakota. Marion has a 2025 population of 894. Marion is currently growing at a rate of 1.13% annually and its population has increased by 6.05% since the most recent census, which recorded a population of 843 in 2020.

The average household income in Marion is $84,553 with a poverty rate of 8.18%.The median age in Marion is 51.5 years: 43.4 years for males, and 55.5 years for females.

Demographics

The racial composition of Marion includes 96.02% White, and smaller percentages for Two or more races, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	964	96.02%
Two or more races	29	2.89%
Native Hawaiian or Pacific Islander	11	1.1%

Marion Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marion's average per capita income is $46,042. Household income levels show a median of $72,969. The poverty rate stands at 8.18%.

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	$96,442	-
Families	$85,625	$100,725
Households	$72,969	$84,553
Non Families	$45,156	$53,904

$46,042

Average Income

$72,969

Median Household Income

8.18%

Poverty Rate