Lincoln County's estimated 2026 population is 79,167 with a growth rate of 2.62% 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 75.21% since that time.
Data after 2023 is projected based on recent change
Overall: 35.9 years
Female: 36.2 years
Male: 35.5 years
There are 51,947 adults, (10,366 of whom are seniors) in Lincoln County.
Female: 35,712 (50.6%)
Male: 34,926 (49.4%)
The racial composition of Lincoln County includes 89.5% White, and smaller percentages for Black or African American, Asian, other race, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 63,223 | 89.5% |
| Two or more races | 3,261 | 4.62% |
| Black or African American | 1,691 | 2.39% |
| Asian | 1,230 | 1.74% |
| Other race | 872 | 1.23% |
| Native American | 361 | 0.51% |
Lincoln County's average per capita income is $57,638. Household income levels show a median of $99,166. The poverty rate stands at 5.58%.
Name | Median | Mean |
|---|---|---|
| Married Families | $128,138 | - |
| Families | $114,036 | $154,174 |
| Households | $99,166 | $132,275 |
| Non Families | $62,108 | $77,102 |
Average Income
Median Household Income
Poverty Rate