According to the United States Census Bureau, Rock Island is a City that is located in Rock Island County, Illinois at 41.51 degrees North and 90.58 degrees West.
The city's time zone is America/Chicago, and the city's primary telephone area code is 309.
The land area of Rock Island is about 16.86 square miles, whereas the water area of the city is about 0.20 square miles.
Rock Island County's land area is about 428 square miles, so the city occupies about 3.9 percent of the county's total land area.
Current Weather Conditions in Rock Island, Illinois
The Census Bureau estimates that Rock Island had about 37,176 residents in 2019, which is approximately 2,205 people per square mile of land area.
According to recent American Community Survey data, the median household income in Rock Island was about $48,680 per year.
The Illinois counties map at upper right shows Rock Island County, highlighted in red.
Use the menu below to display interactive maps of Rock Island, either in a frame on this page or in full-screen mode.
Use the menu below to display categorized Rock Island directories.
|Rock Island Products and Services Directory|
Selected Rock Island, Illinois Listings
These randomly selected Rock Island listings provide some insight into the city's cultural environment and economic climate.
Augustana College - Wvik-Fm
City Limits Saloon & Grill
- Metal Finishing
- Metal Polishing, Buffing & Plating
District Drugs & Compounding
Glass Service Center
- Drug Stores & Pharmacies
- Vitamins & Food Supplements Retail
- Home Health Care Equipment & Supplies
Hawk Technologies Limited
- Auto Parts Retail
- Auto Glass Retail
- Used & Rebuilt Auto Parts Retail
Jack A. Schwartz P.C.
Meridian Title Co
- Immigration Law Attorneys
- Persons with Disabilities Organizations
- Lawyers - Employment & Labor Law
- Disability Law Attorneys
Picture Perfect Travel
- Title Insurance
- Escrow Services
- Real Estate Title Search & Abstract Services
- Lawyers - Real Estate
Quad City Conservation Expo
- Travel Agents
- Cruise Lines & Agents
- Airline Tickets
Rock Island Animal Hospital - E D Narske DVM
- Energy & Environment
- Sporting Goods Dealers
- Environmental Organizations
Teamsters & Chauffeurs Local Union No 371
Nearby Illinois Cities and Towns *
Large and Mid-size Cities in Nearby States
* Parenthesized numbers indicate economic activity levels.
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