132 years in pictures
The archive holds 2 old photos and papers going back to 1942 and 3 maps from 1961 on.
- 1894Dewey is settled
Each edition grades its towns against each other only.
A town of 26, settled in 1894.
39% of residents live below the poverty line in Dewey, above both Montana’s towns (10%) and U.S. towns (9.6%). No town among the 43 in Montana we compare has a higher median age than Dewey. Dewey has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
In a town this size, neighbors are the best guide. Ask them anything.
The archive holds 2 old photos and papers going back to 1942 and 3 maps from 1961 on.
Dewey is unincorporated, so Beaverhead County and regional agencies provide most services.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.
Ordered by what stands out in Dewey.
Expected storm and flood damage is higher than in 75% of U.S. communities.
FEMA National Risk Index · OpenFEMA
Dewey has cold winters and pleasant summers, with very little rain. At 77°F, Dewey’s July high is against 85°F in Montana’s towns and 85°F across U.S. towns.
NOAA U.S. Climate Normals, 1991–2020
Dewey beats the Montana average on 9 of 32 CDC measures and trails it on 3. 27% of Dewey adults feel lonely. Among 42 Montana towns, just 2 have a lower share of adults who have been diagnosed with depression than Dewey.
| Dewey | Montana towns | U.S. towns | |
|---|---|---|---|
| Feel lonely (CDC PLACES) | 27% | 31% | 33% |
| Frequent mental distress (CDC PLACES) | 15% | 18% | 17% |
| Sleep under 7 hours (CDC PLACES) | 30% | 32% | 36% |
| Yearly checkup (CDC PLACES) | 76% | 72% | 79% |
| What stands out | Dewey | MT |
|---|---|---|
| Fewer adults facing a utility shut-off | 5.1% | 6.5% |
| Fewer adults without reliable transportation | 5.9% | 7.5% |
| More adults who have had cancer | 11% | 9.3% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
None within 15 miles of Dewey; the nearest are
About 0 of every 100 Dewey residents are enrolled in college, against 5 across Montana.
Census-designated place in Montana, United States
Dewey is an unincorporated community and census-designated place (CDP) in Beaverhead County, Montana, United States. It is in the northeast part of the county, on the south side of the Big Hole River, and bordered to the north, across the river, by Silver Bow County. Montana Highway 43 passes through Dewey, leading east 7 miles (11 km) to Interstate 15 at Divide, and west up the Big Hole River valley 5.5 miles (8.9 km) to Wise River and 44 miles (71 km) to Wisdom. As of the 2020 census, Dewey had a population of 25. Dewey was first listed as a CDP prior to the 2020 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Dewey has fewer than 1,000 residents, too few for fair grades; the figures below are still real.