Aberdeen Flag

Aberdeen

County:
Brown County
County Seat:
Yes
Area (mi²):
16.517
State:
South Dakota

Aberdeen is a city located in Brown County, South Dakota. Aberdeen has a 2026 population of 27,660. It is also the county seat of Brown County. Aberdeen is currently declining at a rate of -0.46% annually and its population has decreased by -2.73% since the most recent census, which recorded a population of 28,437 in 2020.

The median household income in Aberdeen is $64,405 with a poverty rate of 13.84%. The median age in Aberdeen is 36.4 years: 35.3 years for males, and 38.1 years for females. For every 100 females there are 95.5 males.

27.7K
Total Population
1,675
Density (mi²)
-129 -0.46%
Growth

Aberdeen Population

Aberdeen Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202627,660-129-0.46%
202527,789-130-0.47%
202427,919-127-0.45%
202328,046-124-0.44%
202228,170-143-0.51%
202128,313-182-0.64%
202028,4371500.53%
201928,287-136-0.48%
201828,423-93-0.33%
201728,5163431.22%
201628,1733721.34%
201527,8011340.48%
201427,6671890.69%
201327,4785151.91%
201226,9635141.94%
201126,4492270.87%
201026,2221310.5%
200024,658-269-1.08%
199024,927-924-3.57%
198025,851-625-2.36%
197026,4763,40314.75%
196023,0732,0229.61%
195021,0514,03623.72%
194017,0155503.34%
193016,4651,92813.26%
192014,5373,78435.19%
191010,7536,666163.1%
19004,08790528.44%
18903,18200%

Median Age

Overall: 36.4 years
Female: 38.1 years
Male: 35.3 years

Aberdeen Adults

There are 21,882 adults, (4,628 of whom are seniors) in Aberdeen.

Sex Ratio

Female: 14,422 (51.2%)
Male: 13,767 (48.8%)

Demographics

The racial composition of Aberdeen includes 82.28% White, 3.79% Native American, 3.37% Asian, and smaller percentages for Black or African American, other race, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White23,19382.28%
Two or more races1,8556.58%
Native American1,0683.79%
Asian9513.37%
Black or African American5611.99%
Other race5331.89%
Native Hawaiian or Pacific Islander280.1%
Race
Population ↓
Percentage (of total)
Two or more races6892.44%
Other race5101.81%
White2290.81%
Native American660.23%
Black or African American660.23%
Asian30.01%
Race
Population ↓
Percentage (of total)
White22,96481.46%
Two or more races1,1664.14%
Native American1,0023.55%
Asian9483.36%
Black or African American4951.76%
Native Hawaiian or Pacific Islander280.1%
Other race230.08%

Aberdeen Marital Status

Economics and Income Statistics

Aberdeen 's average per capita income is $47,825. Household income levels show a median of $64,405. The poverty rate stands at 13.84%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$115,117-
Families$95,997$113,129
Households$64,405$83,537
Non Families$39,087$50,479

$47,825

Average Income

$64,405

Median Household Income

13.84%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)