Colfax is located in Cloud County, Kansas. Colfax has a 2025 population of 30 . Colfax is currently declining at a rate of -3.23% annually and its population has decreased by -6.25% since the most recent census, which recorded a population of 32 in 2020.
The median age in Colfax is 60.4 years: 0 years for males, and 53.8 years for females. For every 100 females there are 77.8 males.
Data after 2023 is projected based on recent change
The racial composition of Colfax includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 16 | 100% |
Married
Widowed
Divorced
Separated
Never Married