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 2026 population of 258. Brant Lake South is currently growing at a rate of 6.61% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Brant Lake South is $107,983 with a poverty rate of 6.16%. The median age in Brant Lake South is 54.1 years: 68.5 years for males, and 48.5 years for females. For every 100 females there are 68.8 males.

258
Total Population
491
Density (mi²)
16 6.61%
Growth

Brant Lake South Population

Brant Lake South Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026258166.61%
2025242167.08%

Median Age

Overall: 54.1 years
Female: 48.5 years
Male: 68.5 years

Brant Lake South Adults

There are 208 adults, (96 of whom are seniors) in Brant Lake South.

Sex Ratio

Female: 125 (59.2%)
Male: 86 (40.8%)

Demographics

The racial composition of Brant Lake South includes 62.56% White, 37.44% Native American, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White13262.56%
Native American7937.44%
Race
Population ↓
Percentage (of total)
White13262.56%
Native American7937.44%

Brant Lake South Marital Status

Economics and Income Statistics

Brant Lake South 's average per capita income is $0. Household income levels show a median of $107,983. The poverty rate stands at 6.16%.

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$108,267$123,210
Households$107,983$112,894
Married Families--
Non Families-$23,140

$0

Average Income

$107,983

Median Household Income

6.16%

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)