East Multnomah County includes the city of Gresham, parts of Troutdale, Fairview, Wood Village, and Maywood Park, totalling a population of 319,910 people and 168,924 registered voters (according to the Multnomah County Elections Division).

Sources: U.S. Census Bureau, Oregon Metro, http://maps.huge.info/zip.htm, Multnomah County Elections Division