Mars United Presbyterian Church is a congregation of the Presbyterian Church (USA). The church is located in Mars Borough, Pennsylvania, and ministers to people in Mars Borough, Adams Township, Cranberry Township, and the surrounding communities in Butler and Allegheny Counties. Mars United Presbyterian Church welcomes guests, new residents to Butler and Allegheny County, and long-time members of the community to be a part of our worship, Christian Education, Discipleship, local and world missions, and fellowship activities. We look forward to being your hometown church.