Lincoln County Flag

Lincoln County

State:
South Dakota
County Seat:

Lincoln County's estimated 2025 population is 77,666 with a growth rate of 2.93% in the past year according to the most recent United States census data. Lincoln County is the 3rd largest county in South Dakota. The 2010 population was 45,185 and has seen a growth of 71.88% since that time.

77,666
Total Population
135
Population Density (mi²)
3
Population Rank (State)
2.2K 2.93%
Annual Population Growth

Lincoln County Population

Lincoln County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Lincoln County includes 90.45% White, and smaller percentages for Black or African American, Asian, other race, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White61,76790.45%
Two or more races3,0854.52%
Black or African American1,5482.27%
Asian1,1051.62%
Other race5950.87%
Native American1860.27%

Lincoln County Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lincoln County's average per capita income is $55,705. Household income levels show a median of $96,552. The poverty rate stands at 5.77%.

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$124,039-
Families$111,030$152,571
Households$96,552$129,224
Non Families$59,974$71,403

$55,705

Average Income

$96,552

Median Household Income

5.77%

Poverty Rate