
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 2025 population of 306. Rock Creek township is currently declining at a rate of -0.65% annually and its population has decreased by -3.77% since the most recent census, which recorded a population of 318 in 2020.
The average household income in Rock Creek township is $64,537 with a poverty rate of 11.63%. The median age in Rock Creek township is 51.5 years: 42.1 years for males, and 54.4 years for females.