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 2026 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 median household income in Brant Lake is $104,318 with a poverty rate of 0%. The median age in Brant Lake is 66.2 years: 66.4 years for males, and 61.7 years for females. For every 100 females there are 215.0 males.

55
Total Population
355
Density (mi²)

Brant Lake Population

Brant Lake Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20265500%
202555-1-1.79%
20245600%
20235600%
20225611.82%
202155-2-3.51%
20205700%
201960-2-3.23%
20186235.08%
20175900%
20165923.51%
20155711.79%
20145611.82%
20135511.85%
20125411.89%
20115353
20105100%

Median Age

Overall: 66.2 years
Female: 61.7 years
Male: 66.4 years

Brant Lake Adults

There are 63 adults, (39 of whom are seniors) in Brant Lake.

Sex Ratio

Female: 20 (31.7%)
Male: 43 (68.3%)

Demographics

The racial composition of Brant Lake includes 92.06% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White5892.06%
Two or more races57.94%
Race
Population ↓
Percentage (of total)
White5892.06%
Two or more races57.94%

Brant Lake Marital Status

Economics and Income Statistics

Brant Lake 's average per capita income is $86,202. Household income levels show a median of $104,318. 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$104,545-
Families$104,432$133,796
Households$104,318$132,000
Non Families--

$86,202

Average Income

$104,318

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)