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

Lewis County is located in the northern part of Idaho. This exciting county is named after Meriwether Lewis (1774-1809), a leader of the Lewis and Clark Expedition. The county seat of Lewis County is Nezperce. The county's area is about 479 square miles. Established in 1911, today Lewis County is home to 4 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.