🇺🇸 Williamson County, Illinois

United States · Americas · 37.73°N, 88.93°W

Williamson County is a county in Illinois and is part of the Metro Lakeland area of Southern Illinois. Its largest city and county seat is Marion. As of the 2020 census, it had a population of 67,153.

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Quick facts

Country	United States
Continent / region	Americas
Coordinates (approx.)	37.73°N, 88.93°W · view on map

Williamson County, Illinois is located in United States, in Americas.

More counties in United States

Adams County, Illinois · Alexander County, Illinois · Bond County, Illinois · Boone County, Illinois · Brown County, Illinois · Bureau County, Illinois · Calhoun County, Illinois · Carroll County, Illinois · Cass County, Illinois · Champaign County, Illinois.

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