Columbus township
- County:
- St. Clair County
- County Seat:
- No
- Area (mi²):
- 140.338
- State:
- Michigan
Columbus township is located in St. Clair County, Michigan. Columbus township has a 2026 population of 163. Columbus township is currently declining at a rate of -1.21% annually and its population has decreased by -3.55% since the most recent census, which recorded a population of 169 in 2020.
The median household income in Columbus township is $38,194 with a poverty rate of 6.2%. The median age in Columbus township is 54 years: 54.3 years for males, and 51 years for females. For every 100 females there are 165.9 males.