San Joaquin County on the map of California 2024. Cities, roads, borders and directions in San Joaquin County of California.

San Joaquin County is located in central California and populated by 780 thousand people. It took its name from the nearby San Joaquin Valley. Its largest city is Stockton, that also serves as county seat. The county's total area is 1426 square miles. This map shows the borders of San Joaquin 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 San Joaquin County.