Mercer County, Illinois
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Mercer County is a county in Illinois. According to the 2020 census, it had a population of 15,699. Its county seat is Aledo. Mercer County is included in the Davenport-Moline-Rock Island, IA-IL Metro
Mercer County Courthouse
Rock Island County, Illinois
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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 2020 census, it had a population of 144,672. Its county seat is Roc
Mercer County, Illinois
…Illinois Route 135 Rock Island County - north Henry County - east…
Rock Island County Justice Center