Sun Prairie Flag

Sun Prairie

County:
McCook County
County Seat:
No
Area (mi²):
36.476
State:
South Dakota

Sun Prairie is located in McCook County, South Dakota. Sun Prairie has a 2025 population of 138 . Sun Prairie is currently growing at a rate of 0.73% annually and its population has increased by 5.34% since the most recent census, which recorded a population of 131 in 2020.

The average household income in Sun Prairie is $123,904 with a poverty rate of 0%. The median age in Sun Prairie is 32.3 years: 23.8 years for males, and 32.4 years for females. For every 100 females there are 153.2 males.

138
Total Population
4
Density (mi²)
1 0.73%
Growth

Sun Prairie Population

Sun Prairie Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Sun Prairie includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

White (100%)

Race
Population
Percentage (of total)
White157100%

Sun Prairie Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sun Prairie's average per capita income is $42,422. Household income levels show a median of $84,615. The poverty rate stands at 0%.

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$84,712-
Households$84,615$123,904
Families$84,615$123,904
Non Families--

$42,422

Average Income

$84,615

Median Household Income

0%

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)