Tully township is located in Marion County, Ohio. Tully township has a 2026 population of 854. Tully township is currently growing at a rate of 1.07% annually and its population has increased by 5.69% since the most recent census, which recorded a population of 808 in 2020.
The median age in Tully township is 44.9 years: 44.4 years for males, and 61.9 years for females. For every 100 females there are 243.8 males.