Sarnia is an international gateway with a small town feel. It is the urban centre of Lambton County, which is ranked among of the Top 7 Intelligent Communities in the world by the Intelligent Community Forum for its use of information and communications technologies to increase inclusive prosperity.

Population74,293
Regional population131,834
CA ranking43
Work force population61,465
Unemployment rate (Aug 2020)7.91%
Property tax as % of income2.6%
Median local household income$70,422
Average local household income$100,757
Geo coordinates42.9745° N, 82.4066° W
Land area164.6 km2
Average temperature, January-1°/-8°
Average temperature, July28°/17°
Days per year with rain or snow150
Major industriesAdvanced Manufacturing
Petrochemical & Refining
Information Technology
Agriculture
Biochemical