Agency Flag

Agency

County:
Roberts County
County Seat:
No
Area (mi²):
35.991
State:
South Dakota

Agency is located in Roberts County, South Dakota. Agency has a 2025 population of 316 . Agency is currently growing at a rate of 1.61% annually and its population has increased by 4.98% since the most recent census, which recorded a population of 301 in 2020.

The average household income in Agency is $59,350 with a poverty rate of 21.9%. The median age in Agency is 43.6 years: 28.1 years for males, and 62.1 years for females. For every 100 females there are 144.6 males.

316
Total Population
9
Density (mi²)
5 1.61%
Growth

Agency Population

Agency Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Agency includes 67.88% Native American, 19.71% White, and smaller percentages for and multiracial populations.

Population by Race

Native American (67.88%)

White (19.71%)

Two or more races (12.41%)

Race
Population
Percentage (of total)
Native American9367.88%
White2719.71%
Two or more races1712.41%

Agency Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Agency's average per capita income is $36,458. Household income levels show a median of $51,250. The poverty rate stands at 21.9%.

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
Families$93,393$76,905
Households$51,250$59,350
Married Families--
Non Families-$26,752

$36,458

Average Income

$51,250

Median Household Income

21.9%

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)