Roslyn Flag

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 179 . Roslyn is currently declining at a rate of -0.56% annually and its population has decreased by -2.19% since the most recent census, which recorded a population of 183 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. For every 100 females there are 85.1 males.

179
Total Population
821
Density (mi²)
-1 -0.56%
Growth

Roslyn Population

Roslyn Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Roslyn includes 77.01% White, 13.79% Native American, and smaller percentages for and multiracial populations.

Population by Race

White (77.01%)

Native American (13.79%)

Two or more races (9.2%)

Race
Population
Percentage (of total)
White13477.01%
Native American2413.79%
Two or more races169.2%

Roslyn Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)