Rush township
- County:
- Jo Daviess County
- County Seat:
- No
- Area (mi²):
- 36.771
- State:
- Illinois
Rush township is located in Jo Daviess County, Illinois. Rush township has a 2026 population of 377. Rush township is currently declining at a rate of -1.05% annually and its population has decreased by -1.82% since the most recent census, which recorded a population of 384 in 2020.
The median household income in Rush township is $75,278 with a poverty rate of 12.5%. The median age in Rush township is 41.3 years: 39.7 years for males, and 46.5 years for females. For every 100 females there are 160.3 males.