
Rock Island township
- County:
- Rock Island County
- County Seat:
- No
- Area (mi²):
- 4.776
- State:
- Illinois
Rock Island township is located in Rock Island County, Illinois. Rock Island township has a 2025 population of 15,546. Rock Island township is currently declining at a rate of -0.38% annually and its population has decreased by -3.03% since the most recent census, which recorded a population of 16,032 in 2020.
The average household income in Rock Island township is $58,739 with a poverty rate of 30.33%. The median age in Rock Island township is 28 years: 28.7 years for males, and 26.9 years for females.