Sussex County on the map of New Jersey 2024. Cities, roads, borders and directions in Sussex County of New Jersey.

Sussex County is the northernmost county in New Jersey. This wealthy county was formed in 1753. The county is populated by 146 thousand people. The county seat of Sussex County is Newton, and the largest city is Vernon Township. The overall area of the county is 521 square miles. This map shows the borders of Sussex 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 Sussex County.