The story so far
from Wikipedia & the U.S. CensusLonepine is a census-designated place (CDP) in Sanders County, Montana, United States. As of the 2020 census, Lonepine had a population of 177. The post office was established in 1911. In 1921, the U.S. Reclamation Service built the Lower Dry Fork Reservoir to provide irrigation for the region. The 2,800-foot-long dam impounds 4,200 acre-feet of water.
Between the 2010 and 2020 censuses its population grew from 162 to 177 (+9%). Half of its homes were built before 1990.
Wikipedia doesn’t have a history of Lonepine 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 Lonepine’s collection
The first neighbors to add old photos shape how Lonepine’s history is told.
0 of 10 decades since 1900 have photos 📦Share a family photoSign in to add one+10Famous people close to Lonepine
See all 11 →Lonepine, decade by decade
2000
Nothing in Lonepine is on the National Register yet
That’s true of most small towns. It doesn’t mean Lonepine has no history, only that no one has written up a nomination. The closest listed place is Symes Hotel in Hot Springs, 5.8 miles away.
Lonepine and the nearest listed places
How a place gets listed
Then & now
When neighbors add old photos, retakes from the same spot appear here side by side.




