Rock Creek township
- County:
- Hancock County
- County Seat:
- No
- Area (mi²):
- 35.968
- State:
- Illinois
Rock Creek township is located in Hancock County, Illinois. Rock Creek township has a 2026 population of 306. Rock Creek township is currently declining at a rate of -0.97% annually and its population has decreased by -3.47% since the most recent census, which recorded a population of 317 in 2020.
The median household income in Rock Creek township is $55,625 with a poverty rate of 16.92%. The median age in Rock Creek township is 55.5 years: 48.9 years for males, and 59.1 years for females. For every 100 females there are 112.0 males.