Twin Brooks Flag

Twin Brooks

County:
Grant County
County Seat:
No
Area (mi²):
36.365
State:
South Dakota

Twin Brooks is located in Grant County, South Dakota. Twin Brooks has a 2025 population of 92 . Twin Brooks is currently declining at a rate of -1.08% annually but its population has increased by 1.1% since the most recent census, which recorded a population of 91 in 2020.

The median household income in Twin Brooks is $96,250 with a poverty rate of 21.57%. The median age in Twin Brooks is 50.5 years: 50.5 years for males, and 51 years for females. For every 100 females there are 183.3 males.

92
Total Population
3
Density (mi²)
-1 -1.08%
Growth

Twin Brooks Population

Twin Brooks Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Twin Brooks includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

White (100%)

Race
Population
Percentage (of total)
White51100%

Twin Brooks Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Twin Brooks' average per capita income is $0. Household income levels show a median of $96,250. The poverty rate stands at 21.57%.

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$96,250$266,333
Families$96,250$266,333
Married Families$96,250-
Non Families--

$0

Average Income

$96,250

Median Household Income

21.57%

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)