Sand Coulee is a CDP located in Cascade County, Montana. Sand Coulee has a 2026 population of 131. Sand Coulee is currently declining at a rate of -3.68% 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 Sand Coulee is 47.1 years: 47.1 years for males, and 52.5 years for females. For every 100 females there are 139.3 males.
Data after 2023 is projected based on recent change
Overall: 47.1 years
Female: 52.5 years
Male: 47.1 years
There are 102 adults, (48 of whom are seniors) in Sand Coulee.
Female: 56 (41.8%)
Male: 78 (58.2%)
The racial composition of Sand Coulee includes 84.33% White, and smaller percentages for Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 113 | 84.33% |
| Two or more races | 19 | 14.18% |
| Asian | 2 | 1.49% |