Mercer County, Illinois

From Simple English Wikipedia, the free encyclopedia

Mercer County is a county in the U.S. state of Illinois. In the 2020 census, 15,699 people lived there.[1] The county seat is Aledo.

References[change | change source]

  1. "QuickFacts: Mercer County, Illinois". United States Census Bureau. Retrieved August 11, 2023.