Lawrence County's 2026 population is estimated at 30,215, reflecting a 2.38% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Lawrence County is the 7th largest county in South Dakota. The 2010 population was 24,204 and has grown 24.83% since 2010.
Data after 2023 is projected based on recent change
Overall: 44.8 years
Female: 45.1 years
Male: 44.4 years
There are 22,798 adults, (6,813 of whom are seniors) in Lawrence County.
Female: 13,537 (49.7%)
Male: 13,696 (50.3%)
The racial composition of Lawrence County includes 90.41% White, and smaller percentages for Native American, other race, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 24,620 | 90.41% |
| Two or more races | 1,271 | 4.67% |
| Native American | 683 | 2.51% |
| Other race | 408 | 1.5% |
| Asian | 122 | 0.45% |
| Black or African American | 107 | 0.39% |
| Native Hawaiian or Pacific Islander | 22 | 0.08% |
Lawrence County 's average per capita income is $42,959. Household income levels show a median of $73,384. The poverty rate stands at 11.56%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $107,168 | - |
| Families | $91,966 | $119,933 |
| Households | $73,384 | $94,174 |
| Non Families | $41,918 | $59,228 |
Average Income
Median Household Income
Poverty Rate