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

San Mateo County is a Charter county located on the Pacific coasts of central California, immediately to the south of San Francisco. This famous county was established back in 1856. The county's total area is 449 square miles. The county seat of San Mateo County is Redwood City. The population of San Mateo County reaches 738 thousand residents. This map shows the borders of San Mateo 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 Mateo County.