St. Clair, Ontario

St. Clair
Township of St. Clair
Park in Port Lambton
St. Clair
St. Clair
Coordinates: 42°47′N 82°21′W / 42.783°N 82.350°W / 42.783; -82.350
CountryCanada
ProvinceOntario
CountyLambton
Formed2001
Government
 • MayorJeff Agar
 • Federal ridingSarnia—Lambton—Bkejwanong
 • Prov. ridingSarnia—Lambton
Area
 • Land618.57 km2 (238.83 sq mi)
Population
 (2021)
 • Total
14,659
 • Density23.7/km2 (61/sq mi)
Time zoneUTC-5 (EST)
 • Summer (DST)UTC-4 (EDT)
Postal Code
N0N & N0P
Area codes519, 226, and 548
Websitestclairtownship.ca

St. Clair is a township in southwestern Ontario, Canada, immediately south of Sarnia in Lambton County, along the eastern shores of the St. Clair River.