which states have a city named salem
Salem: Oregon's Capital. A fountain near the Oregon State Capitol in Salem. (Oregon State Archives Photo). Also see the Capitol Tour and the Salem city government description. ï»¿ï»¿Salem, with a population of 155,710, is Oregonâs state capital and the third largest city. Salem is also the county seat of Marion County, but a small. portion contained within its corporate limits of 44 square miles lies across the Willamette River in Polk County.