Independence is a city in Polk County, Oregon, United States, on the west bank of the Willamette River along Oregon Route 51, and east of nearby Monmouth. It is part of the Salem Metropolitan Statistical Area. Thirty square blocks of the oldest part of Independence form the National Register of Historic Places-listed Independence Historic District.

Polk County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 87,433. The county seat is Dallas. The county is named for James Knox Polk, the 11th president of the United States.