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 200,000. The remaining six municipalities of the county, in order of population, are Birchland Manor, Oxford Heights, Westwood Plateau, Austin Heights, River Springs and Pleasantside; together, they have a population of just under 200,000, giving Coquitlam County a population of nearly one million.