Columbus is a town located in Stillwater County, Montana. Columbus has a 2025 population of 1,990 . It is also the county seat of Stillwater County . Columbus is currently growing at a rate of 1.22% annually and its population has increased by 6.59% since the most recent census, which recorded a population of 1,867 in 2020.
The average household income in Columbus is $86,351 with a poverty rate of 12.74%. The median age in Columbus is 46 years: 48.4 years for males, and 45.1 years for females. For every 100 females there are 92.7 males.
Data after 2023 is projected based on recent change
The racial composition of Columbus includes 94.65% White, and smaller percentages for Asian, Native American and multiracial populations.
White (94.65%)
Two or more races (3.58%)
Asian (1.14%)
Native American (0.62%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,822 | 94.65% |
| Two or more races | 69 | 3.58% |
| Asian | 22 | 1.14% |
| Native American | 12 | 0.62% |
Married
Widowed
Divorced
Separated
Never Married
Columbus' average per capita income is $46,435. Household income levels show a median of $62,500. The poverty rate stands at 12.74%.
Name | Median | Mean |
|---|---|---|
| Married Families | $95,000 | - |
| Families | $80,000 | $92,214 |
| Households | $62,500 | $86,351 |
| Non Families | $41,818 | $77,082 |
Average Income
Median Household Income
Poverty Rate