Colfax township is located in McLean County, Illinois. Colfax township has a 2026 population of 239. Colfax township is currently growing at a rate of 1.7% annually and its population has increased by 0.84% since the most recent census, which recorded a population of 237 in 2020.
The median household income in Colfax township is $58,839 with a poverty rate of 14.91%. The median age in Colfax township is 56 years: 64.3 years for males, and 47.3 years for females. For every 100 females there are 94.0 males.