Cottonwood township
- County:
- Cumberland County
- County Seat:
- No
- Area (mi²):
- 32.729
- State:
- Illinois
Cottonwood township is located in Cumberland County, Illinois. Cottonwood township has a 2026 population of 476. Cottonwood township is currently growing at a rate of 0.42% annually but its population has decreased by -1.45% since the most recent census, which recorded a population of 483 in 2020.
The median household income in Cottonwood township is $115,462 with a poverty rate of 1.16%. The median age in Cottonwood township is 48.2 years: 46 years for males, and 48.2 years for females. For every 100 females there are 142.0 males.