| Year | Population |
|---|---|
| 1980. | 165536 |
| 1990. | 148723 |
| 2000. | 149374 |
| 2010. | 147546 |
www.co.rock-island.il.us
Illinois
Rock Island County
County
17161
County seat is in Rock Island
Founded in 1831
Area: 427 square miles
County board has 25 members
FIPS code: 17161
Zipcodes in Rock Island County: 61259, 61257, 61256, 61299, 61206, 61204, 61201, 61242, 61240, 61244, 61284, 61282, 61232, 61237, 61236, 61239, 61275, 61279, 61278, 61264, 61265, 61266
Anderson Sharon
Armstrong William
Ballard Steve
Banaszek Phillip
Bohnsack James
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Profile ID: LFUS-COU-O-178