St. Joseph County on the map of Michigan 2024. Cities, roads, borders and directions in St. Joseph County of Michigan.

St. Joseph County is situated on the southern border of Michigan. The area of St. Joseph County is about 521 square miles. The county was formed in 1829 from unorganized territory, and it is populated today by 61 thousand residents. Centreville is the county seat of St. Joseph County. The county is named after The St. Joseph River, which flows through the county. This map shows the borders of St. Joseph 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 St. Joseph County.