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Place:
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United States
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Illinois
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Rock Island County
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Rock Island County
,
Illinois
,
United States
Overview
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Tip: To see additional information about Rock Island County, click on the "tabs" directly above.
Overview of Rock Island County
Name:
Rock Island County
Place Type:
County
Located In:
Illinois
,
United States
History (GNIS):
Established 9 February 1831
County Seat:
Rock Island
Coordinates:
Latitude:
41.4500340
41° 27' 00.1"
N
Longitude:
-90.5168006
90° 31' 00.5"
W
Population:
148,723
Elevation:
179 m
Surrounding Counties:
Whiteside
NE
Henry
E
Mercer
SW
Louisa
(
Iowa
)
W
Muscatine
(
Iowa
)
W
Scott
(
Iowa
)
NW
Clinton
(
Iowa
)
N
Histopolis Place ID:
822829902
Updated May 6, 2020