Jackson township
- County:
- Sullivan County
- County Seat:
- No
- Area (mi²):
- 43.258
- State:
- Indiana
Jackson township is located in Sullivan County, Indiana. Jackson township has a 2026 population of 1,734. Jackson township is currently declining at a rate of -0.23% annually but its population has increased by 0.35% since the most recent census, which recorded a population of 1,728 in 2020.
The median household income in Jackson township is $50,288 with a poverty rate of 10.45%. The median age in Jackson township is 45.5 years: 44.8 years for males, and 45.7 years for females. For every 100 females there are 119.1 males.