Long Lake, South Dakota

Long Lake
mdé háŋska
Long Lake, South Dakota
Location in McPherson County and the state of South Dakota
Coordinates: 45°51′24″N 99°12′21″W / 45.85667°N 99.20583°W / 45.85667; -99.20583
CountryUnited States
StateSouth Dakota
CountyMcPherson
Incorporated1947
Area
 • Total
0.28 sq mi (0.72 km2)
 • Land0.28 sq mi (0.72 km2)
 • Water0 sq mi (0.00 km2)
Elevation
1,952 ft (595 m)
Population
 (2020)
 • Total
27
 • Density97/sq mi (37.6/km2)
Time zoneUTC-6 (Central (CST))
 • Summer (DST)UTC-5 (CDT)
ZIP code
57457
Area code605
FIPS code46-38860
GNIS feature ID1267464

Long Lake (Dakota: mdé háŋska; "lake long") is a town in McPherson County, South Dakota, United States. The population was 27 at the 2020 census.

The town took its name from the local Long Lake.