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, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Native American

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White2,74090.97%
Two or more races1735.74%
Native American762.52%
Other race210.7%
Black or African American20.07%
Asian00%
Native Hawaiian or Pacific Islander00%

Stanley County Marital Status

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