Vancouver, Washington is a city on the north bank of the Columbia River, in the state of Washington, USA. It is the county seat of Clark County. As of July 1, 2005 it had a population of 157,493 making it the fourth largest city in Washington state. It is part of the Portland-Vancouver metropolitan area. Vancouver apartments for rent comparison page shows most up to date rent information on Vancouver apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.