Fulton County on the map of Illinois as of 2026. Cities, roads, borders and directions in Fulton County of Illinois.

Fulton County is located in the western part of Illinois. This remarkable county was named after Robert Fulton (1765–1815), inventor of the steamboat. The county seat of Fulton County is Lewistown. The county's area is 865 square miles. Formed in 1823, today Fulton County is home to 33 thousand americans. This map shows the borders of Fulton County as well as neighboring counties, including major highways and natural objecsts as of 2026. 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 Fulton County.