Sullivan County on the map of Pennsylvania as of 2026. Cities, roads, borders and directions in Sullivan County of Pennsylvania.

Sullivan County is placed in the northern part of Pennsylvania. The county is named after John Sullivan, Revolutionary War general. The population of Sullivan County exceeds 6 thousand people. The county, formed back in 1847, spans a total area of about 452 square miles. The county seat of Sullivan County is Laporte. This map shows the borders of Sullivan 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 Sullivan County.