Summit township is located in Chautauqua County, Kansas. Summit township has a 2026 population of 68. Summit township is currently declining at a rate of -1.45% annually and its population has decreased by -1.45% since the most recent census, which recorded a population of 69 in 2020.
The median age in Summit township is 54.4 years: 52.8 years for males, and 55.8 years for females. For every 100 females there are 321.4 males.