Stanley County Flag

Stanley County

State:
South Dakota
County Seat:

Stanley County's estimated 2025 population is 3,095 with a growth rate of 0.85% in the past year according to the most recent United States census data. Stanley County is the 47th largest county in South Dakota. The 2010 population was 2,972 and has seen a growth of 4.14% since that time.

3,095
Total Population
2
Population Density (mi²)
47
Population Rank (State)
26 0.85%
Annual Population Growth

Stanley County Population

Stanley County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Stanley County includes 90.97% White, and smaller percentages for Native American, other race, Black or African American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White2,74090.97%
Two or more races1735.74%
Native American762.52%
Other race210.7%
Black or African American20.07%

Stanley County Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Stanley County's average per capita income is $49,219. Household income levels show a median of $77,000. The poverty rate stands at 2.06%.

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$121,906-
Families$108,636$142,078
Households$77,000$106,448
Non Families$41,500$52,017

$49,219

Average Income

$77,000

Median Household Income

2.06%

Poverty Rate