The story so far
from Wikipedia & the U.S. CensusDelmont is a city in southeastern Douglas County, South Dakota, United States. The population was 153 at the 2020 census. 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. Also included on the same historic marker is Bluebird Locker, a local business in Delmont known for its “Delmont Sausage” but also serves as a butchery for other types of meats.
Between the 2010 and 2020 censuses its population fell from 234 to 153 (-35%). Half of its homes were built before 1943.
Wikipedia doesn’t have a history of Delmont yet — the old photos, dates and memories neighbors add here are how it gets written.
Intro from Wikipedia, licensed CC BY-SA 4.0. Population and housing: U.S. Census Bureau.
Start Delmont’s collection
The first neighbors to add old photos shape how Delmont’s history is told.
0 of 10 decades since 1900 have photos 📦Share a family photoSign in to add one+10Delmont, decade by decade
2000
5 historic places in Delmont
5 places in Delmont are on the National Register of Historic Places, the country’s official list of buildings and places worth saving.
Where they are
When they were listed
Then & now
When neighbors add old photos, retakes from the same spot appear here side by side.
Stories next door
nearby towns’ historyFrom Wikimedia Commons (5) and the National Register (1). Images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.




