Delmont, SD

View of Delmont, SD
Image credit: Sdgjake / CC BY-SA 3.0
Population
154
U.S. Census Population Estimates Program · 2025
Elevation
1,491 ft
Median Home Value
$86,700
U.S. Census American Community Survey 5-Year · 2024
Median Income
$42,000
U.S. Census American Community Survey 5-Year · 2024

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Delmont in context.

About Delmont

Delmont is a city in southeastern Douglas County, South Dakota, United States. The 2020 census counted 153 residents. Delmont was laid out in 1886. The Onion House, named for his onion shaped metallic dome and located in Delmont, is listed on the list of National Register of Historic Places since 1987. That mix gives Delmont a clear local shape within South Dakota, with older layers still visible in current places. The local scoop is a place whose streets, landmarks, and institutions keep its earlier story close to the present. Also included on the same historic marker is Bluebird Locker, a local business in Delmont known for its "Delmont Sausage" and serves as a butchery for other types of meats.

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