Angostura Flag

Angostura

County:
Custer County
County Seat:
No
Area (mi²):
12.586
State:
South Dakota

Angostura is a CDP located in Custer County, South Dakota. Angostura has a 2025 population of 148. Angostura is currently growing at a rate of 7.25% annually and its population has increased by 97.33% since the most recent census, which recorded a population of 75 in 2020.

The average household income in Angostura is $138,818 with a poverty rate of 6.14%.The median age in Angostura is 53.3 years: 43.6 years for males, and 53.7 years for females.

148
Total Population
12
Density (mi²)
10 7.25%
Growth

Angostura Population

Angostura Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Angostura includes 94.74% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White10894.74%
Two or more races65.26%

Angostura Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Angostura's average per capita income is $95,568. Household income levels show a median of $135,893. The poverty rate stands at 6.14%.

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$135,893$138,818
Families$135,089$127,502
Married Families$135,089-
Non Families--

$95,568

Average Income

$135,893

Median Household Income

6.14%

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)