Quincy is an unincorporated community in a county that had how many inhabitants in 2010 ?
Quincy, Kansas Quincy is an unincorporated community in Greenwood County, Kansas, in the United States.
Rock Island County, Illinois Rock Island County is a county located in the U.S. state of Illinois, bounded on the west by the Mississippi River. According to the 2010 census, it had a population of 147,546. Its county seat is Rock Island; its largest city is neighboring Moline.