Brant Lake South Flag

Brant Lake South

County:
Lake County
County Seat:
No
Area (mi²):
0.525
State:
South Dakota

Brant Lake South is a CDP located in Lake County, South Dakota. Brant Lake South has a 2025 population of 279 . Brant Lake South is currently growing at a rate of 7.31% annually but its population has decreased by -3.79% since the most recent census, which recorded a population of 290 in 2020.

The average household income in Brant Lake South is $111,899 with a poverty rate of 2.38%. The median age in Brant Lake South is 57.2 years: 68.5 years for males, and 48.2 years for females. For every 100 females there are 68.0 males.

279
Total Population
531
Density (mi²)
19 7.31%
Growth

Brant Lake South Population

Brant Lake South Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Brant Lake South includes 60.48% White, 39.52% Native American, and smaller percentages for and multiracial populations.

Population by Race

White (60.48%)

Native American (39.52%)

Race
Population
Percentage (of total)
White12760.48%
Native American8339.52%

Brant Lake South Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Brant Lake South's average per capita income is $0. Household income levels show a median of $105,000. The poverty rate stands at 2.38%.

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$105,536$128,050
Households$105,000$111,899
Married Families--
Non Families-$20,375

$0

Average Income

$105,000

Median Household Income

2.38%

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)