Aberdeen is a city located in Brown County, South Dakota. Aberdeen has a 2025 population of 27,789 . Aberdeen is currently declining at a rate of -0.47% annually and its population has decreased by -2.28% since the most recent census, which recorded a population of 28,437 in 2020.
The average household income in Aberdeen is $81,636 with a poverty rate of 12.87%. The median age in Aberdeen is 35.8 years: 35.2 years for males, and 36.9 years for females. For every 100 females there are 93.3 males.
Data after 2023 is projected based on recent change
The racial composition of Aberdeen includes 82.25% White, 5.86% Native American, 3.72% Asian, and smaller percentages for other race, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
White (82.25%)
Two or more races (6.27%)
Native American (5.86%)
Asian (3.72%)
Other race (1.19%)
Black or African American (0.6%)
Native Hawaiian or Pacific Islander (0.1%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 23,275 | 82.25% |
| Two or more races | 1,773 | 6.27% |
| Native American | 1,659 | 5.86% |
| Asian | 1,053 | 3.72% |
| Other race | 337 | 1.19% |
| Black or African American | 171 | 0.6% |
| Native Hawaiian or Pacific Islander | 29 | 0.1% |
Married
Widowed
Divorced
Separated
Never Married
Aberdeen's average per capita income is $46,070. Household income levels show a median of $63,715. The poverty rate stands at 12.87%.
Name | Median | Mean |
|---|---|---|
| Married Families | $107,699 | - |
| Families | $91,694 | $107,938 |
| Households | $63,715 | $81,636 |
| Non Families | $41,674 | $50,741 |
Average Income
Median Household Income
Poverty Rate