Brant Lake

County:: Lake County
County Seat:: No
Area (mi²):: 0.155
State:: South Dakota

Brant Lake is a city located in Lake County, South Dakota. Brant Lake has a 2025 population of 55. Brant Lake is currently declining at a rate of 0% annually and its population has decreased by -3.51% since the most recent census, which recorded a population of 57 in 2020.

The average household income in Brant Lake is $136,511 with a poverty rate of 0%.The median age in Brant Lake is 66.3 years: 66.5 years for males, and 61.8 years for females.

Demographics

The racial composition of Brant Lake includes 97.06% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	66	97.06%
Two or more races	2	2.94%

Brant Lake Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Brant Lake's average per capita income is $83,654. Household income levels show a median of $123,750. The poverty rate stands at 0%.

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
Married Families	$135,417	-
Families	$130,000	$138,373
Households	$123,750	$136,511
Non Families	-	-

$83,654

Average Income

$123,750

Median Household Income

0%

Poverty Rate