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South Dakota›Lake County

Brant Lake SouthSD

Today 211 people live in this town, first established in 2010.

Is Brant Lake South a good place to live?

Brant Lake South’s midpoint age is 54.1 years, against 39.5 years in South Dakota’s towns and 40.5 years across U.S. towns. Of the 36 South Dakota towns we compare, none has a lower share of adults with a bachelor’s degree than Brant Lake South. Brant Lake South has fewer than 1,000 residents, too few for fair grades; the figures below are still real.

Small town

211 people, and everyone knows the way

In a town this size, neighbors are the best guide. Ask them anything.

Nearby towns
Brant LakeChester TownshipBrant LakeChester TownshipBrant Lake South
Getting set up

Moving to Brant Lake South: who provides what

Brant Lake South is unincorporated, so Lake County and regional agencies provide most services.

PowerXcel Energy13.1¢/kWh · EIA 2025HIFLD · EIA
WaterKingbrook I Rural Water SystemNo health-based violations in 5 years · EPAEPA
Internet4 providers100% of addresses get 100/20 MbpsFCC
Trash & county servicesLake CountyLake County provides services here
SchoolsChester School District 39-1Which school depends on your addressNCES
Register to voteIn personSouth Dakota has no online registration; you can register in person until 15 days before Election Day or by mail (received 15 days before).vote.gov
Who runs elections hereLake County AuditorLake County; contacts on the Handbook page.FVAP, Jul 2023
ZIP code5701657016 100%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Aug 3, 2026.

The data

Ordered by what stands out in Brant Lake South.

Work & commute

Most of Brant Lake South’s workers commute out: the town has 0.0 jobs for each of them

The average trip to work in Brant Lake South is 21 minutes. The top destinations are Sioux Falls (35%), Madison (16%) and Brookings (6%). In Brant Lake South, 6.2% of residents live below the poverty line. The median commute is under 26 miles.

0%work in town
Brant Lake SouthSouth Dakota townsU.S. towns
Average trip to work21 minutes17 minutes25 minutes
Below the poverty line6.2%9.5%9.6%

Where working residents work

In Brant Lake South0%
Sioux Falls35%
Madison16%
Brookings6%
Lyons4%
26 mi
median commute distance
2
jobs based in Brant Lake South
A commuter town
jobs vs. working residents

Census LEHD 2023 · ACS

Climate

Snowy winters and pleasant summers: that is Brant Lake South’s year

Expect July afternoons of 83° and January nights of 6°, with about 43 inches of snow a winter.

43″snow a winter

Typical low → high °F

Winter9–28°
Spring34–56°
Summer59–81°
Fall36–58°
Oct 5
typical first frost
May 2
typical last frost
+0.7°
vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Health

How healthy Brant Lake South is

The share of adults in Brant Lake South who get no exercise outside work: 20%. CDC measures, 26 in all: Brant Lake South beats South Dakota on 7 and trails on 1. Only 2 of the 36 South Dakota towns we compare have a lower share of adults 18 to 64 who have no health insurance than Brant Lake South. In Brant Lake South, 20% of adults have been diagnosed with depression, and 14% say their health is fair or poor.

Brant Lake SouthSouth Dakota townsU.S. towns
Frequent mental distress (CDC PLACES)13%15%17%
Depression (CDC PLACES)20%22%23%
Fair or poor health (CDC PLACES)14%16%19%
Sleep under 7 hours (CDC PLACES)31%30%36%
26 measures vs. South Dakota
7 better18 too close to call1 worse
What stands outBrant Lake SouthSD
Fewer older adults who have lost all their teeth6.4%12.7%
Fewer uninsured adults5.7%8.8%
More adults who have had cancer10.4%9.2%
Madison Regional Health System
10.7 mi away · emergency room
1 of 3
care shortages: mental health

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

Natural hazards

The biggest natural risk in Brant Lake South is inland flooding, at a moderate overall level

Expected losses in Brant Lake South break down as 45% from inland flooding and 24% from tornadoes. For Brant Lake South, the risk rating from FEMA is 56 of 100.

56risk score of 100
FEMA risk score
56Moderate riskLowerHigher
Inland floodingTornadoesCold waves

FEMA National Risk Index · OpenFEMA

Outdoors

Protected land: 0.5% of Brant Lake South

Parks and preserves in Brant Lake South: one, of 3 acres.

0.5%conserved
0.5%
conserved · 3 of 658 acres
0.0 mi
of trails · 0 per sq mi
Biggest places to walkTrailsAcres
1. Brant Lake East Game Production Area—3

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

0
homes sold in September

Zillow Home Value Index · Redfin Data Center

Keep exploring

Everything we know about Brant Lake South

16pages on Brant Lake South
After high school

Colleges nearby

1 within 15 miles of the center of Brant Lake South

College town 17 of every 100 Brant Lake South residents are enrolled in college, against 5 across South Dakota.

Prices by family income, graduation and earnings →

A commuter town

100% of working residents leave Brant Lake South for work

Where Brant Lake South’s working residents go each day. Line width shows the share.

35% → Sioux Falls Sioux Falls 35% 16% → Madison Madison 16% 6% → Brookings Brookings 6% 4% → Lyons Lyons 4% 3% → Colman Colman 3% 3% → Dell Rapids Dell Rapids 3% Brant Lake South · 0% stay
2jobs based in Brant Lake South
0%of working residents work in town
26 mimedian commute distance

Census LEHD 2023

About Brant Lake South

Census-designated place in South Dakota, United States

Brant Lake South is a census-designated place (CDP) in Lake County, South Dakota, United States. The population was 140 at the 2020 census. It was established after the 2010 census.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Questions about Brant Lake South

Short answers, built from the data on this page.

Is Brant Lake South, SD a good place to live?

Brant Lake South has fewer than 1,000 residents, too few for fair grades; the figures below are still real. Today 211 people live in this town, first established in 2010.