Illinois

List of all cities and towns in Alexander County Alexander County is the southernmost and westernmost county in the United States of America’s state of Illinois. The population was 5,240 at the time of the 2020 census. Its county seat is Cairo[2], and the Mississippi River forms its western boundary. Alexander County is part of …

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List of all cities and towns in Adams County Adams County is the county in the U.S. state of Illinois that is farthest to the west. As of the census in 2020, there were 65,737 people living there. Quincy is the county seat. Adams County is part of the Micropolitan Statistical Area of Quincy, IL–MO. …

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