Rock Island County, founded in 1831 and named after the island in the Mississippi River, forms part of the Quad Cities metropolitan region — one of Illinois’ most important economic zones. The county seat is Rock Island, and major cities include Moline and East Moline. The area blends historic riverfront industry with modern commerce, education, and healthcare. It’s home to the Rock Island Arsenal, a major military installation that anchors local employment. The housing market varies greatly by location: older neighborhoods in Moline and Rock Island offer affordable homes from $140,000–$220,000, while newer or suburban-style properties in Silvis and Coal Valley range up to $300K–$400K. Luxury homes along the river can reach $500K+. New construction (including land) typically costs $300K–$450K, depending on neighborhood. With bridges connecting to Davenport and Bettendorf, IA, residents enjoy big-city amenities with lower Illinois housing costs. Rock Island County offers river views, cultural life, and a strong Midwestern work ethic — ideal for families and professionals alike.
Rock Island County Real Estate Listings
Rock Island County, founded in 1831 and named after the island in the Mississippi River, forms part of the Quad Cities metropolitan region — one of Illinois’ most important economic zones. The county seat is Rock Island, and major cities include Moline and East Moline. The area blends historic riverfront industry with modern commerce, education, and healthcare. It’s home to the Rock Island Arsenal, a major military installation that anchors local employment. The housing market varies greatly by location: older neighborhoods in Moline and Rock Island offer affordable homes from $140,000–$220,000, while newer or suburban-style properties in Silvis and Coal Valley range up to $300K–$400K. Luxury homes along the river can reach $500K+. New construction (including land) typically costs $300K–$450K, depending on neighborhood. With bridges connecting to Davenport and Bettendorf, IA, residents enjoy big-city amenities with lower Illinois housing costs. Rock Island County offers river views, cultural life, and a strong Midwestern work ethic — ideal for families and professionals alike.