Deerfield Colony is a CDP located in Fergus County, Montana. Deerfield Colony has a 2026 population of 25. Deerfield Colony is currently growing at a rate of 8.7% 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 Deerfield Colony is 23.9 years: 0 years for males, and 0 years for females. For every 100 females there are 209.1 males.
Data after 2023 is projected based on recent change
Overall: 23.9 years
Female: 0 years
Male: 0 years
There are 23 adults, (0 of whom are seniors) in Deerfield Colony.
Female: 11 (32.4%)
Male: 23 (67.6%)
The racial composition of Deerfield Colony includes 67.65% White, 32.35% Native American, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 23 | 67.65% |
| Native American | 11 | 32.35% |