Rock township is located in Cowley County, Kansas. Rock township has a 2026 population of 141. Rock township is currently declining at a rate of 0% annually and its population has decreased by -0.7% since the most recent census, which recorded a population of 142 in 2020.
The median age in Rock township is 28.2 years: 18.6 years for males, and 28.5 years for females. For every 100 females there are 115.4 males.