Brant Lake South

South Dakota · SD

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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.

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The weekly

This week in Brant Lake South

September 14–20, 2026·South Dakota · SD

The forecast calls for Patchy Fog, highs near 69°.

Gathered from local news, the National Weather Service, and your neighbors’ posts.

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Coming up

Upcoming events

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From your neighbors

What’s happening

Paul S.

2h · Townwide

General

Big thanks to whoever returned my wallet

Left it at the counter and someone turned it in with everything inside. Faith in Brant Lake South restored.

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Rosa T.

5h · Townwide

Community

Free moving boxes — Townwide

Just finished unpacking and have a big stack of clean boxes. First to message can have them all.

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Around town

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The basics

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