Rosedale township
- County:
- Jersey County
- County Seat:
- No
- Area (mi²):
- 30.263
- State:
- Illinois
Rosedale township is located in Jersey County, Illinois. Rosedale township has a 2026 population of 398. Rosedale township is currently declining at a rate of -0.25% annually and its population has decreased by -3.63% since the most recent census, which recorded a population of 413 in 2020.
The median age in Rosedale township is 63.5 years: 61.3 years for males, and 63.9 years for females. For every 100 females there are 149.1 males.