De Smet

County:: Kingsbury County
County Seat:: No
Area (mi²):: 1.158
State:: South Dakota

De Smet is a city located in Kingsbury County, South Dakota. De Smet has a 2025 population of 1,034. De Smet is currently declining at a rate of -0.58% annually and its population has decreased by -2.73% since the most recent census, which recorded a population of 1,063 in 2020.

The average household income in De Smet is $83,888 with a poverty rate of 5.42%. The median age in De Smet is 53.2 years: 55.3 years for males, and 52.4 years for females.

Demographics

The racial composition of De Smet includes 96.92% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	944	96.92%
Two or more races	30	3.08%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

De Smet Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

De Smet's average per capita income is $48,583. Household income levels show a median of $60,139. The poverty rate stands at 5.42%.

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	$107,361	-
Families	$89,000	$113,462
Households	$60,139	$83,888
Non Families	$48,500	$54,844

$48,583

Average Income

$60,139

Median Household Income

5.42%

Poverty Rate