St. Clair County
- Population
- 9,587
- Area
- 674.98 sq mi (1,748.19 km²), 27.08 sq mi water
- Median age
- 46.1
- Households
- 4,071
- Persons per household
- 2.3
- Median household income
- $53,043
- Median house value
- $157,100
Demographics: 2020–2024 ACS
Overnight
58°F
Mostly Cloudy
Wednesday
79°F
Sunny
Wednesday Night
56°F
Mostly Clear
Thursday
81°F
Mostly Sunny