Alder is a CDP located in Madison County, Montana. Alder has a 2025 population of 109 . Alder is currently declining at a rate of 0% annually and its population has increased by 17.2% since the most recent census, which recorded a population of 93 in 2020.
The average household income in Alder is $49,359 with a poverty rate of 13.89%. The median age in Alder is 58 years: 56.9 years for males, and 61.8 years for females. For every 100 females there are 129.8 males.
Data after 2023 is projected based on recent change
The racial composition of Alder includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 108 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Alder's average per capita income is $38,125. Household income levels show a median of $39,167. The poverty rate stands at 13.89%.
Name | Median | Mean |
|---|---|---|
| Families | $39,583 | $63,731 |
| Households | $39,167 | $49,359 |
| Non Families | $36,667 | $31,669 |
| Married Families | - | - |
Average Income
Median Household Income
Poverty Rate