Sullivan County on the map of New Hampshire 2024. Cities, roads, borders and directions in Sullivan County of New Hampshire.

Sullivan County is located in the western part of New Hampshire. The county seat of Sullivan County is Newport. The overall area of the county is about 537 square miles. Formed back in 1827, today Sullivan County counts over 43 thousand inhabitants. The county is named after John Sullivan (1740-1795), the third and fifth governor of New Hampshire. This map shows the borders of Sullivan 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 Sullivan County.