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.

Demographics

The racial composition of Brant Lake South includes 60.48% White, 39.52% Native American, and smaller percentages for Black or African American, Asian, Native Hawaiian or Pacific Islander, other race, Two or more races and multiracial populations.

Population by Race

White

Native American

Black or African American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Race	Population	Percentage (of total)
White	127	60.48%
Native American	83	39.52%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%
Two or more races	0	0%

Brant Lake South Marital Status

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