Coquitlam County

Coquitlam County is one of seven counties in the Lower Mainland region of the Canadian province of British Columbia (BC). Its county seat and most populous municipality is Coquitlam, from which the county takes its name.

The three most populous municipalities of Coquitlam County (Coquitlam, Port Coquitlam and Port Moody) are colloquially known as the Tricities; each has a population over 500,000; the remaining municipalities of the county are smaller, although Austin Heights has a population of 405,330.