Stephenson County is a county located in the U.S. state of Illinois. According to the 2020 United States Census, it had a population of 44,630. Its county seat is Freeport. Wikipedia
Cities: Freeport, Cedarville, Ridott, and more
County seat: Freeport
Population: 43,627 (2022)
Founded: 1837
Named for: Benjamin Stephenson
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