St. Clair County Public Records
| About St. Clair County | |
| Land Area: | 724.37 Square Miles |
| County Located in: | Michigan |
| Population Estimate: | 167562 People |
| Number of Households: | 62072 |
| Number of Businesses: | 12063 |
| Median Household Income: | $51454 |
| Per Capita Income: | $30942 |
| Unemployment Rate: | 10.4 |
| Annual Number of Births: | 2011 |
| Annual Number of Deaths: | 1465 |
| Annual New Home Starts: | 154 |
St. Clair County Records Offices
County Seat of St. Clair
100 Mcmorran Blvd
Port Huron, MI 48060
810-984-9722
Greater Port Huron Chamber
920 Pine Grove Ave
Port Huron, MI 48060
810-985-7101
St Clair County Jail
1170 Michigan Rd
Port Huron, MI 48060
810-987-1721
St Clair County Treasurer
200 Grand River Ave # 101
Port Huron, MI 48060
810-989-6915
Road Commission
21 Airport Drive
Port Huron, MI 48079
810-364-5720
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