Marion County on the map of Oregon 2024. Cities, roads, borders and directions in Marion County of Oregon.

Marion County is located in the northwestern section of Oregon. This amazing county is named after Francis Marion. The area of Marion County is about 1,185 square miles. This county, set up in 1843, is populated today by 347 thousand residents. Salem is the county seat of Marion County. This map shows the borders of Marion County as well as neighboring counties, including major highways and natural objecsts as of 2024. Zoom in or out of the map using the plus/minus panel. Move the center of this map by dragging it. Also check out the satellite map of Marion County.