Jefferson Parish on the map of Louisiana 2024. Cities, roads, borders and directions in Jefferson Parish of Louisiana.

Jefferson Parish is situated in the southeastern region of Louisiana. This glorious parish is named after Thomas Jefferson, Founding Father. The total area of Jefferson Parish is about 642 square miles. This parish, created in 1825, is populated today by at least 434 thousand residents. Gretna is the parish seat of Jefferson Parish. This map shows the borders of Jefferson Parish 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 Parish.