New Rockport Colony is a CDP located in Teton County, Montana. New Rockport Colony has a 2025 population of 134 . New Rockport Colony is currently growing at a rate of 7.2% annually and its population has increased by 94.2% since the most recent census, which recorded a population of 69 in 2020.
The median age in New Rockport Colony is 32.2 years: 64 years for males, and 32.2 years for females. For every 100 females there are 51.1 males.
Data after 2023 is projected based on recent change
The racial composition of New Rockport Colony includes 68.42% White, 14.29% Native American, and smaller percentages for and multiracial populations.
White (68.42%)
Two or more races (17.29%)
Native American (14.29%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 91 | 68.42% |
| Two or more races | 23 | 17.29% |
| Native American | 19 | 14.29% |
Married
Widowed
Divorced
Separated
Never Married