Jefferson County on the map of New York 2024. Cities, roads, borders and directions in Jefferson County of New York.

Jefferson County is located in the northern part of New York the state. This famous county was established back in 1805. The county seat of Jefferson County is Watertown. The total population of the county exceeds 116 thousand residents. The county's area is 1857 square miles. This map shows the borders of Jefferson 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 Jefferson County.