Dewey is a CDP located in Beaverhead County, Montana. Dewey has a 2025 population of 15 . Dewey is currently growing at a rate of 7.14% annually and its population has increased by 15.38% since the most recent census, which recorded a population of 13 in 2020.
The average household income in Dewey is $38,950 with a poverty rate of 29.63%. The median age in Dewey is 69.8 years: 69.8 years for males, and 66.5 years for females. For every 100 females there are 92.9 males.
Data after 2023 is projected based on recent change
The racial composition of Dewey includes 59.26% White, 18.52% Native American, 7.41% other race, and smaller percentages for and multiracial populations.
White (59.26%)
Native American (18.52%)
Two or more races (14.81%)
Other race (7.41%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 16 | 59.26% |
| Native American | 5 | 18.52% |
| Two or more races | 4 | 14.81% |
| Other race | 2 | 7.41% |
Married
Widowed
Divorced
Separated
Never Married
Dewey's average per capita income is $0. Household income levels show a median of $32,500. The poverty rate stands at 29.63%.
Name | Median | Mean |
|---|---|---|
| Households | $32,500 | $38,950 |
| Non Families | $28,750 | $30,333 |
| Families | - | $44,120 |
| Married Families | - | - |
Average Income
Median Household Income
Poverty Rate