Tualatin is the 3rd largest urban area in District #3 with a population of around 30,000. It is a mix of residential types and has a large commercial and industrial area. It lies on the south bank of the Tualatin River. Major traffic corridors include Hwy 99W, Tualatin Oregon 210) and Tualatin-Sherwood Roads, and Boones Ferry Road. I-5 cut just east of the Tualatin center. Wes has a connection in Tualatin. A prion of Tualatin is in Clackamas County.