Brant Lake Flag

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 -1.79% 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. For every 100 females there are 195.7 males.

55
Total Population
355
Density (mi²)
-1 -1.79%
Growth

Brant Lake Population

Brant Lake Population

Data after 2023 is projected based on recent change

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

White (97.06%)

Two or more races (2.94%)

Race
Population
Percentage (of total)
White6697.06%
Two or more races22.94%

Brant Lake 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'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

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)