Moline is a city located in Rock Island County, Illinois, United States, with a population of 43,977 in 2010. Moline is one of the Quad Cities, along with neighboring East Moline and Rock Island in Illinois and the cities of Davenport and Bettendorf in Iowa. The Quad Cities has a population estimate of 381,342. The city is the ninth-most populated city in Illinois outside of the Chicago Metropolitan Area. The corporate headquarters of Deere & Company is located in Moline, as is the headquarters of Kone in the United States, Quad City International Airport, Niabi Zoo, Black Hawk College, and the Quad Cities campus of Western Illinois University-Quad Cities. Moline is a retail hub for the Illinois Quad Cities, as Southpark Mall and numerous big-box shopping plazas are located in the city.
In the mid-1990s, the city undertook major efforts to revitalize its central business district, which had declined after suburban growth and retail changes after the 1950s and 1960s. Today, Moline's downtown again serves as one of the civic and recreational hubs of the Quad Cities; many events take place at the 12,000-seat iWireless Center (formerly known as The MARK of the Quad Cities) and at John Deere Commons. Downtown Moline features hotels such as Radisson and Stoney Creek Inn, and commercial areas such as Bass Street Landing and the historic 5th Avenue.