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

Marion County is located in the northeastern region of Missouri. This cool county is named after Francis Marion (1732–1795), a military officer who served in the American Revolutionary War. The county seat of Marion County is Palmyra. Formed in 1826, today Marion County is home to 29 thousand residents. 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.