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Rock Island County Map, Illinois

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Rock Island County, Illinois

Rock Island Locator Map Illinois

Rock Island County sits at the western edge of Illinois, right where the Mississippi and Rock rivers meet. The Quad Cities straddle the Mississippi here, with Rock Island and Moline on the Illinois side. It’s right next to Iowa, which is to the west of the Mississippi River.

This place is part industrial, part college town. Augustana College is situated in Rock Island. But manufacturing has been the backbone of the economy for generations. John Deere still has a major presence here. Outside the cities, you’ll find rolling hills and farmland.

The Rock Island Arsenal, an active military base, dominates the actual Rock Island. The Quad City International Airport connects the area to the wider world. Black Hawk State Historic Site is Native American history on display. There’s a lot to this county.

CategoryDetails
County NameRock Island County
County SeatRock Island
PopulationApproximately 145,000
Cities, Towns, and CommunitiesMoline, Rock Island, East Moline, Silvis, and several smaller communities
Interstates and HighwaysInterstate 74, Interstate 280, U.S. Route 6, U.S. Route 67
FIPS Code17-161
Total Area (Land and Water)451 square miles (land: 418 sq mi, water: 33 sq mi)
Adjacent Counties (and Direction)Clinton County, Iowa (North), Whiteside County (Northeast), Henry County (Southeast), Mercer County (South), Louisa County, Iowa (Southwest), Muscatine County, Iowa (West), Scott County, Iowa (northwest)
Time ZoneCentral Time Zone (CT)
StateIllinois
Coordinates41.4942° N, 90.5900° W
EtymologyNamed after the Rock Island, a prominent island in the Mississippi River
Major LandmarksThe Rock Island Arsenal, Black Hawk State Historic Site, and the John Deere Pavilion
WebsiteRock Island County Website

PHYSICAL MAP

Rock Island County Topographic Map

Our topographic map has it all. Bluffs along the Mississippi River give way to flatter land inland. The Rock River meets the Mississippi here, shaping the terrain.

Rock Island County Topographic Map Illinois

SATELLITE IMAGERY

Rock Island County Satellite Map

The Mississippi River dominates the west die. Cities like Rock Island and Moline are set along its banks. Bridges cross to Iowa, and farmland fills the eastern sections.

Rock Island County Satellite Map Illinois

OUTLINE MAP

Rock Island County Blank Map

The Mississippi River forms its western border, separating Illinois from Iowa. The rest of the county mostly has straight, survey-drawn lines.

Rock Island County Blank Map Illinois

Illinois County Map

Illinois County Map

Ready to explore Illinois? Counties full of surprises. Chicago’s buzz in Cook. Shawnee’s quiet beauty. History, farms, and charm. Grab an Illinois county map. Find your adventure. Illinois awaits.

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