Rock Island, Illinois

Rock Island is located in Rock Island County. The region is located on the body of water Mississippi River. About 37,108 people live here (as of 2020). Between 2010 and 2020, the population declined from 39,018 to 37,108. The region is at 184 meters above sea level. The area covers about 44.2 square kilometers. There are about 1.455 streets in Rock Island. The region was founded in 1841. The ZIP codes are 61201–61299. The dialing code is 309. Rock Island is city in and the county seat of Rock Island County, Illinois, United States. Among other things, Rock Island has hotels, restaurants, cafés, museums, schools, hair Salons and pharmacies. More information at rigov.org.