Plains is a town located in Sanders County, Montana. Plains has a 2025 population of 1,276 . Plains is currently growing at a rate of 2.57% annually and its population has increased by 14.44% since the most recent census, which recorded a population of 1,115 in 2020.
The average household income in Plains is $69,768 with a poverty rate of 19.15%. The median age in Plains is 43.5 years: 43.3 years for males, and 49.7 years for females. For every 100 females there are 120.2 males.
Data after 2023 is projected based on recent change
The racial composition of Plains includes 91.18% White, and smaller percentages for Black or African American, Native American and multiracial populations.
White (91.18%)
Two or more races (6.31%)
Black or African American (1.49%)
Native American (1.02%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 982 | 91.18% |
| Two or more races | 68 | 6.31% |
| Black or African American | 16 | 1.49% |
| Native American | 11 | 1.02% |
Married
Widowed
Divorced
Separated
Never Married
Plains' average per capita income is $0. Household income levels show a median of $24,661. The poverty rate stands at 19.15%.
Name | Median | Mean |
|---|---|---|
| Married Families | $62,604 | - |
| Families | $49,828 | $84,148 |
| Households | $24,661 | $69,768 |
| Non Families | $22,676 | $62,631 |
Average Income
Median Household Income
Poverty Rate