The population development of Rock Island as well as related information and services (weather, Wikipedia, Google, images).
|Rock Island||Rock Island||39,616||39,003||37,678||→|
Source: U.S. Census Bureau (web).
Explanation: Places: 2000 population in the boundaries of 2010 and later population figures in the boundaries of 2018.
- Blackhawk township
- Moline township
- Rock Island township
- South Moline township
- South Rock Island township