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

Multnomah County is the most populous county in Oregon with 815 thousand residents. It is located on the northern border of Oregon, and the county seat is Portland. This map shows the borders of Multnomah 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 Multnomah County.