Rock Island is an urban city in Northwestern Illinois which sits right on the border of Iowa. Rock Island is part of a larger metro area along with a few other cities. The name was originally for the island in the Mississippi (which is now Arsenal Island). Today, Rock Island is home to Rock Island Arsenal which produces many US weapons for the military. Rock Island has numerous bridges, hiking trails, and sandy shores. This city has many middle class and working class house rentals available, as well as some apartment units that have affordable rental pricing. House hunters who find this area nice also tend to look at the neighboring Moline, IL condo rentals. Rock Island is equipped with parks, lush terrain, and schools. Take a look at the rentals in Rock Island, Illinois.