Shawnee township is located in Gallatin County, Illinois. Shawnee township has a 2026 population of 163. Shawnee township is currently declining at a rate of 0% annually and its population has decreased by -5.23% since the most recent census, which recorded a population of 172 in 2020.
The median age in Shawnee township is 50.9 years: 50.6 years for males, and 53.3 years for females. For every 100 females there are 133.3 males.