Dewey is an

unincorporated community An unincorporated area is a parcel of land that is not governed by a local general-purpose municipal corporation. (At p. 178.) They may be governed or serviced by an encompassing unit (such as a county) or another branch of the state (such as th ...

and

census-designated place A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counte ...

(CDP) in Beaverhead County,

Montana Montana ( ) is a landlocked U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Idaho to the west, North Dakota to the east, South Dakota to the southeast, Wyoming to the south, an ...

, United States. It is in the northeast part of the county, on the south side of the

Big Hole River The Big Hole River is a tributary of the Jefferson River, approximately 153 miles (246 km) long, in Beaverhead County, Montana, Beaverhead County, in southwestern Montana, United States. It is the last habitat in the contiguou ...

, and bordered to the north, across the river, by Silver Bow County.

Montana Highway 43 The state highways in Montana are the state highways owned and maintained by the Montana Department of Transportation (MDT) in the US state of Montana. Montana's state highways are classified as either primary or secondary. Several of Montana's ...

passes through Dewey, leading east to

Interstate 15 Interstate 15 (I-15) is a major Interstate Highway in the Western United States, running through Southern California and the Intermountain West. I-15 begins near the Mexican border in San Diego County and stretches north to Alberta, Ca ...

at Divide, and west up the Big Hole River valley to Wise River and to

Wisdom Wisdom, also known as sapience, is the ability to apply knowledge, experience, and good judgment to navigate life’s complexities. It is often associated with insight, discernment, and ethics in decision-making. Throughout history, wisdom ha ...

. Dewey was first listed as a CDP prior to the 2020 census.

Demographics

References

Census-designated places in Beaverhead County, Montana Census-designated places in Montana {{BeaverheadCountyMT-geo-stub