Rock Island is a city in and the county seat of Rock Island County, Illinois, United States. The original Rock Island, from which the city name is derived, is the largest island on the Mississippi River. It is now called Arsenal Island. The population was 39,018 at the 2010 census. Located on the Mississippi River, it is one of the Quad Cities, along with neighboring Moline, East Moline, and the Iowa cities of Davenport and Bettendorf. The Quad Cities has a population of about 380,000. The city is home to Rock Island Arsenal, the largest government-owned weapons manufacturing arsenal in the US, which employs 6,000 people. There's a wide variety of housing available in Rock Island including historic homes, new downtown condos, new construction in the heart of the city, and wooded retreats. The Rock Island-Milan School District, Rockridge School District (southwest portion of city) along with private schools, serve the city. The District (Downtown Rock Island) has art galleries and theaters, nightclubs and coffee shops, and restaurants of all flavors. Golf courses, parks, a casino, botanical center, marina, historic tours, bike paths, and festivals offer entertainment opportunities. In 2015 Rock Island was ranked the 32nd "Best Small City" in the country based on economic health, affordability, and quality of life.

Rock Island is a city in the state of Illinois in the United States. The city received its name from an island called the 'Rock Island' which was the biggest island on the Mississippi River. Things to do in Rock Island include: historic site, outdoor activities, river cruises, golf, wineries, microbreweries, shopping, art & festivals. Various attractions in Rock Island are: Downtown Rock Island, that has many art galleries and museums; River Mississippi where you can head out on a river cruise or simply rent boat or kayaks; Play golf at Highland Springs Golf Course or Saukie Golf Course; Enjoy riverfront biking & hiking paths; Enjoy a picnic in the beautiful gardens and parks like Hauberg Centre, Longview Park Conservatory and Gardens, Quad City Botanical Centre, or the Sunset Marina.