Allen Flag

Allen

County:
Bennett County
County Seat:
No
Area (mi²):
3.244
State:
South Dakota

Allen is a CDP located in Bennett County, South Dakota. Allen has a 2025 population of 1,052. Allen is currently growing at a rate of 4.16% annually and its population has increased by 120.55% since the most recent census, which recorded a population of 477 in 2020.

The average household income in Allen is $45,009 with a poverty rate of 34.42%.The median age in Allen is 20.2 years: 13.8 years for males, and 20.3 years for females.

1.1K
Total Population
324
Density (mi²)
42 4.16%
Growth

Allen Population

Allen Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Allen includes 100% Native American, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
Native American860100%

Allen Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Allen's average per capita income is $0. Household income levels show a median of $0. The poverty rate stands at 34.42%.

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
Households-$45,009
Families-$44,051
Married Families--
Non Families--

$0

Average Income

$0

Median Household Income

34.42%

Poverty Rate

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)