Martinsdale is a CDP located in Meagher County, Montana. Martinsdale has a 2026 population of 42. Martinsdale is currently growing at a rate of 7.69% 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 Martinsdale is 64.4 years: 0 years for males, and 0 years for females. For every 100 females there are 120.5 males.
Data after 2023 is projected based on recent change
Overall: 64.4 years
Female: 0 years
Male: 0 years
There are 86 adults, (20 of whom are seniors) in Martinsdale.
Female: 39 (45.3%)
Male: 47 (54.7%)
The racial composition of Martinsdale includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 86 | 100% |