St. Clair County Map
The County of St. Clair is located in the State of Michigan. 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 159,293 people. The St. Clair County time zone is Eastern Daylight Time which is 5 hours behind Coordinated Universal Time (UTC).
Nearby counties include Lapeer County, Macomb County, Sanilac County.
Top cities include Clay, Marysville, Kimball, Ira, Berlin