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

Lewis County is located in the northeastern region of Missouri. This cool county is named after Meriwether Lewis (1774–1809), explorer and governor of the Louisiana Territory. The county seat of Lewis County is Monticello. Formed in 1833, today Lewis County is home to 10 thousand residents. This map shows the borders of Lewis 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 Lewis County.