Eastern township
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 36.137
- State:
- Illinois
Eastern township is located in Franklin County, Illinois. Eastern township has a 2026 population of 573. Eastern township is currently declining at a rate of -0.35% annually and its population has decreased by -1.72% since the most recent census, which recorded a population of 583 in 2020.
The median household income in Eastern township is $60,781 with a poverty rate of 17.95%. The median age in Eastern township is 33.9 years: 34.2 years for males, and 33.8 years for females. For every 100 females there are 101.3 males.