Cottonwood township is located in Chase County, Kansas. Cottonwood township has a 2026 population of 158. Cottonwood township is currently declining at a rate of -2.47% annually and its population has decreased by -4.24% since the most recent census, which recorded a population of 165 in 2020.
The median age in Cottonwood township is 55 years: 51.5 years for males, and 56.6 years for females. For every 100 females there are 163.6 males.