Brant Lake, SD demographics:
population, income, and more

Total population
63
-7.3% year-over-year change
Median household income
$104,318/yr
-15.7% year-over-year change
Housing units
50
-7.4% year-over-year change

Brant Lake population

How many people live in Brant Lake

Brant Lake is home to 63 residents, according to the most recent Census data. Gender-wise, 68.2% of Brant Lake locals are male, and 31.8% are female.

Total population
63
-7.3% year-over-year change
Gender ratio
Male
68.2%
43
Female
31.8%
20
Value Percent YoY change
Male 43 68.2% -4.4%
Female 20 31.8% -13.0%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

Adults between 25 and 44 make up 6.4% of the population, while another 30.2% fall into the 45 to 64 bracket. Finally, around 61.9% are 65 or older.

Median age
66.2
Age breakdown
Under 15
0%
15 to 24
1.6%
25 to 44
6.4%
45 to 64
30.2%
Over 65
61.9%
Value Percent YoY change
15 to 24 1 1.6% N/A
25 to 44 4 6.4% 0.0%
45 to 64 19 30.2% 0.0%
Over 65 39 61.9% -13.3%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

There’s also a share of 7.9% that includes residents with two or more races.

Citizenship
U.S.-born citizens
100%
Non-U.S.-born citizens
0%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 63 100% -7.3%
Racial breakdown
White
92.1%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7.9%
Other
0%
Value Percent
White 58 92.1%
Two or more races 5 7.9%

Households in Brant Lake

A peek inside Brant Lake households

Brant Lake has 24 households, with an average of 3 members in each. Of these, 95.8% are families, while the remaining 4.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
24
-11.1% year-over-year change
Average people per household
3
Non-family households
1
Family households
23
Value Percent YoY change
Non-family households 1 4.2% 0.0%
Family households 23 95.8% -11.5%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Brant Lake

The housing landscape of Brant Lake

Brant Lake's housing consists of 50 units, with 94% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 6% of the housing landscape.

Housing units
50
-7.4% year-over-year change
Housing types
Value Percent
1 unit, detached 47 94%
Mobile home 3 6%
Homes built since 2020
0
% year-over-year change

The age of buildings in Brant Lake

In Brant Lake, the median construction year is 1992. About 6% of homes were built before the 1940s, with another 12% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 3 6% -25.0%
Built between 1940 and 1949 6 12% 20.0%
Built between 1950 and 1959 4 8% 0.0%
Built between 1970 and 1979 4 8% -33.3%
Built between 1980 and 1989 4 8% 300.0%
Built between 1990 and 1999 18 36% -10.0%
Built between 2000 and 2009 7 14% -30.0%
Built between 2010 and 2019 4 8% 0.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Brant Lake occupancy rates

Out of the 24 occupied housing units in Brant Lake, 95.8% are owner-occupied, while 4.2% are lived in by tenants. Meanwhile, 52% of all homes on the local market sit vacant.

Occupied housing units
24
-11.1% year-over-year change
Occupancy breakdown
Renter occupied
1
Owner occupied
23
Value Percent YoY
change
Renter occupied 1 4.2% 0.0%
Owner occupied 23 95.8% -11.5%
Unoccupied housing units
52.0%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Brant Lake housing costs

Median housing costs per month
$767/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.

Education in Brant Lake

Brant Lake education at a glance

About 7.9% of the population in Brant Lake went to high school, while 15.9% pursued college studies. Another 4.8% earned an associate degree and 57.1% hold a bachelor’s. Meanwhile, 11.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 2 3.2% 0.0%
High school diploma 5 7.9% 0.0%
College diploma 10 15.9% 0.0%
Associate degree 3 4.8% 0.0%
Bachelor's degree 36 57.1% -5.3%
Graduate degree 7 11.1% -30.0%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Brant Lake

How much people earn in Brant Lake

The average annual household income in Brant Lake was $132,000 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -3.3% change from the previous year. At the same time, the median income stood at $104,318, reflecting a -15.7% shift over the same period.

Average household income in Brant Lake
$132,000/year
-3.3% year-over-year change
Median household income in Brant Lake
$104,318/year
-15.7% year-over-year change

Brant Lake income by age

Those with someone between 45 and 64 in charge, often well established professionally, earn $103,750 overall. Overall, 100% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
45 - 64 $103,750 2.5%
Over 65 $166,250 -5.2%
Above poverty level
63
Below poverty level
0
Value Percent YoY
change
Above poverty level 63 100% -7.3%

Employment in Brant Lake

Workforce and job types in Brant Lake

The job market in Brant Lake is powered by 43 working residents, spread across a range of industries and roles.

Workforce demographics

Working population
43
4.9% year-over-year change
White collar
43
Blue collar
0
Value Percent YoY change
White collar 43 100% 4.9%
Employer type
Self employees
0%
Private companies
88.4%
Governmental workers
2.3%
Not for profit companies
9.3%
Value Percent YoY change
Private companies 38 88.4% 5.6%
Governmental workers 1 2.3% N/A
Not for profit companies 4 9.3% -20.0%

Transportation in Brant Lake

How people get around in Brant Lake

In Brant Lake, the average commute time is 17 minutes.

Commute time
17 min
-1.2% year-over-year change
Means of transportation
Value Percent YoY change
Car 41 95.4% 7.9%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Brant Lake by zipcode?

Zipcode Population Number of households Median income Average income
57016 676 297 $95,815 $101,164

Explore more communities

FAQs about Brant Lake demographics 

What is the total population of Brant Lake?

Brant Lake has a total population of 63 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -7.3% compared to a year ago.

What is the gender ratio in Brant Lake?

The gender ratio in Brant Lake is as follows:
  • 68.2% males (43 residents)
  • 31.8% females (20 residents)

What is the median age in Brant Lake?

The median age in Brant Lake is 66.2.

What is the age distribution of the population in Brant Lake?

The age distribution in Brant Lake is as follows:
  • Under 15: 0% (0 residents)
  • Ages 15-24: 1.6% (1 residents)
  • Ages 25-44: 6.4% (4 residents)
  • Ages 45-64: 30.2% (19 residents)
  • Over 65: 61.9% (39 residents)

What is the racial and ethnic makeup of Brant Lake?

The racial and ethnic makeup of Brant Lake is as follows:
  • White: 92.1% (58 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 7.9% (5 residents)
  • Other: 0% (0 residents)

What percentage of the population in Brant Lake are U.S.-born citizens?

U.S.-born citizens represent 100% of the population in Brant Lake.

How many housing units are there in Brant Lake?

There are 50 housing units in Brant Lake, reflecting a -7.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Brant Lake and what is the average household size?

Brant Lake has a total of 24 households, with an average of 3 people in each.

What is the median household income in Brant Lake?

Brant Lake has a median household income of $104,318, representing a -15.7% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Brant Lake?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 100% (43 residents)
  • Blue-collar workers: 0% (0 residents)

Places of employment:
  • Self-employed: 0% (0 residents)
  • Private companies: 88.4% (38 residents)
  • Governmental workers: 2.3% (1 residents)
  • Not-for-profit companies: 9.3% (4 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025