Roslyn

County:: Day County
County Seat:: No
Area (mi²):: 0.218
State:: South Dakota

Roslyn is a town located in Day County, South Dakota. Roslyn has a 2025 population of 180. Roslyn is currently declining at a rate of 0% annually and its population has decreased by -1.1% since the most recent census, which recorded a population of 182 in 2020.

The average household income in Roslyn is $54,389 with a poverty rate of 9.09%. The median age in Roslyn is 59.3 years: 53.5 years for males, and 68.8 years for females.

Demographics

The racial composition of Roslyn includes 77.01% White, 13.79% Native American, and smaller percentages for Black or African American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Native American

Two or more races

Black or African American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	134	77.01%
Native American	24	13.79%
Two or more races	16	9.2%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Roslyn Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Roslyn's average per capita income is $27,917. Household income levels show a median of $44,375. The poverty rate stands at 9.09%.

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	$88,125	-
Families	$59,167	$66,926
Households	$44,375	$54,389
Non Families	$23,393	$33,578

$27,917

Average Income

$44,375

Median Household Income

9.09%

Poverty Rate