Welcome to St. Maries, Idaho! This quiet town is situated in a beautiful, timbered valley which includes two major rivers and a multitude of lakes. St. Maries (which is located about 2.5 hours from the Canadian border) is the county seat of Benewah County and has a population of about 2800. It is the retail center for eastern Benewah County and enjoys a trade-area population of about 8500. The ...