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.
Data after 2023 is projected based on recent change
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.
White (90.5%)
Two or more races (4.5%)
Black or African American (2.3%)
Asian (1.6%)
Other race (0.9%)
Native American (0.3%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 61,767 | 90.45% |
| Two or more races | 3,085 | 4.52% |
| Black or African American | 1,548 | 2.27% |
| Asian | 1,105 | 1.62% |
| Other race | 595 | 0.87% |
| Native American | 186 | 0.27% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Married Families | $124,039 | - |
| Families | $111,030 | $152,571 |
| Households | $96,552 | $129,224 |
| Non Families | $59,974 | $71,403 |
Average Income
Median Household Income
Poverty Rate