Aurora County's estimated 2026 population is 2,664 with a growth rate of -1.62% in the past year according to the most recent United States census data. Aurora County is the 51st largest county in South Dakota. The 2010 population was 2,701 and has seen a growth of -1.37% since that time.
Data after 2023 is projected based on recent change
The racial composition of Aurora County includes 91.92% White, and smaller percentages for Black or African American, other race, Native American, Asian and multiracial populations.
White (91.92%)
Two or more races (5.25%)
Black or African American (1.05%)
Other race (0.74%)
Native American (0.54%)
Asian (0.51%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,365 | 91.92% |
| Two or more races | 135 | 5.25% |
| Black or African American | 27 | 1.05% |
| Other race | 19 | 0.74% |
| Native American | 14 | 0.54% |
| Asian | 13 | 0.51% |
Married
Widowed
Divorced
Separated
Never Married
Aurora County's average per capita income is $45,000. Household income levels show a median of $74,130. The poverty rate stands at 8.43%.
Name | Median | Mean |
|---|---|---|
| Married Families | $92,292 | - |
| Families | $86,818 | $124,230 |
| Households | $74,130 | $101,472 |
| Non Families | $42,692 | $57,417 |
Average Income
Median Household Income
Poverty Rate