Barren township
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 20.958
- State:
- Illinois
Barren township is located in Franklin County, Illinois. Barren township has a 2026 population of 531. Barren township is currently declining at a rate of -0.19% annually and its population has decreased by -2.03% since the most recent census, which recorded a population of 542 in 2020.
The median household income in Barren township is $94,297 with a poverty rate of 0%. The median age in Barren township is 48.8 years: 56.8 years for males, and 37.7 years for females. For every 100 females there are 116.0 males.