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St. Clair County, IL

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IL

St. Clair County Map

The County of St. Clair is located in the State of Illinois. Find directions to St. Clair County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the St. Clair County population is estimated at 258,046 people. The St. Clair County time zone is Central Daylight Time which is 6 hours behind Coordinated Universal Time (UTC).

Nearby counties include Clinton County, Madison County, Monroe County, Randolph County, Washington County, St. Louis County, St. Louis city County.

Top cities include Belleville, O'Fallon, East St. Louis, Fairview Heights, Cahokia

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United States›Illinois›St. Clair County, IL

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