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Montana›Beaverhead County

DeweyMT

A town of 26, settled in 1894.

Is Dewey a good place to live?

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.

Small town

26 people, and everyone knows the way

In a town this size, neighbors are the best guide. Ask them anything.

Nearby towns
Butte-Silver BowButte-Silver BowDewey
Dewey, Montana
Dewey, Montana, 1942
Dewey’s story

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
Explore the history →
Getting set up

Moving to Dewey: who provides what

Dewey is unincorporated, so Beaverhead County and regional agencies provide most services.

PowerVigilante Electric CoopEIAHIFLD · EIA
Internet1 providers100% of addresses get 100/20 MbpsFCC
Trash & county servicesBeaverhead CountyBeaverhead County provides services here
SchoolsBeaverhead County High School DistrictWise River Elementary School District2 districts serve Dewey; which school depends on your address and gradeNCES
Register to voteIn personMontana has no online registration; you can register in person up to and including Election Day or by mail (postmarked 30 days before).vote.gov
Who runs elections hereBeaverhead County Election AdministratorBeaverhead County; contacts on the Handbook page.FVAP, Oct 2023
ZIP code5972759727 100%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.

The data

Ordered by what stands out in Dewey.

Natural hazards

Avalanches leads a high hazard risk in Dewey

Expected storm and flood damage is higher than in 75% of U.S. communities.

75risk score of 100
FEMA risk score
75High riskLowerHigher
AvalanchesInland floodingWildfire

FEMA National Risk Index · OpenFEMA

Climate

In Dewey, expect four seasons and pleasant summers

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.

15″snow a winter

Typical low → high °F

Winter13–31°
Spring27–49°
Summer43–73°
Fall28–52°
Sep 7
typical first frost
Jun 10
typical last frost
+1.5°
vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Health

How healthy Dewey is

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.

DeweyMontana townsU.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%
32 measures vs. Montana
9 better20 too close to call3 worse
What stands outDeweyMT
Fewer adults facing a utility shut-off5.1%6.5%
Fewer adults without reliable transportation5.9%7.5%
More adults who have had cancer11%9.3%
St. James Hospital
21.8 mi away · emergency room
3 of 3
care shortages: primary care, dental, mental health

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

Keep exploring

Everything we know about Dewey

13pages on Dewey
After high school

Colleges nearby

None within 15 miles of Dewey; the nearest are

About Dewey

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)

Area
0.3 sq mi
Elevation
5,515 ft

Questions about Dewey

Short answers, built from the data on this page.

Is Dewey, MT a good place to live?

Dewey has fewer than 1,000 residents, too few for fair grades; the figures below are still real.