Brant Lake South is a community in Lake County, South Dakota, home to about 211 people across 0.5 square miles. Its ZIP code is 57016.
Mostly Brant Lake South; also Chester and Brant Lake
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| Nearest major airport | Eppley Airfield (OMA)187 miles away |
|---|---|
| Closer regional airport | Sioux Falls Regional Airport (FSD)25 miles away |
| Nearest city of 250,000+ | Omaha, NE188 miles away |
| Nearest city of 1 million+ | Chicago, IL491 miles away |
Straight-line distances from the center of Brant Lake South; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
It’s the 229th largest of 440 towns in South Dakota by population.
Lake County grew from 9,137 residents in 1900 to 11,059 in 2020.
Lake County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 7°F. About 26.8 inches of rain and melted snow fall in a typical year, with about 38 inches of snow.
Source: NOAA 1991–2020 climate normals, Wentworth 2.5 Wnw, SD weather station (8 miles away).
3,907 jobs at 339 businesses in Lake County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Public schools here are run by Chester Area School District 39-1. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Chester Elementary -02Chester | Pre-K–5 | 154 | Public | 2.3 mi |
| Chester Middle School - 03Chester | 6–8 | 67 | Public | 2.3 mi |
| Chester Area Cyber School - 92Chester | 9–12 | 106 | Public | 2.4 mi |
| Chester High School - 01Chester | 9–12 | 107 | Public | 2.3 mi |
| High Plains - 06Chester | 9–12 | 84 | Alternative Education | 2.4 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Chester and Brant Lake.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.