Dewey Flag

Dewey

County Seat:
No
Area (mi²):
0.264
State:
Montana

Dewey is a CDP located in Beaverhead County, Montana. Dewey has a 2026 population of 33. Dewey is currently growing at a rate of 6.45% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median age in Dewey is 67 years: 70.5 years for males, and 62.5 years for females. For every 100 females there are 160.0 males.

33
Total Population
125
Density (mi²)
2 6.45%
Growth

Dewey Population

Dewey Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20263326.45%
20253126.9%

Median Age

Overall: 67 years
Female: 62.5 years
Male: 70.5 years

Dewey Adults

There are 26 adults, (15 of whom are seniors) in Dewey.

Sex Ratio

Female: 10 (38.5%)
Male: 16 (61.5%)

Demographics

The racial composition of Dewey includes 80.77% White, 7.69% Native American, 3.85% other race, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2180.77%
Native American27.69%
Two or more races27.69%
Other race13.85%
Race
Population ↓
Percentage (of total)
Two or more races13.85%
Other race13.85%
Race
Population ↓
Percentage (of total)
White2180.77%
Native American27.69%
Two or more races13.85%

Dewey Marital Status

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)