Calvary Cathedral is the Cathedral Church for the Diocese of South Dakota and thus, home for all Episcopalians in the state. The Episcopal Church in South Dakota is called to be a sacred circle of love, prayer and service gathered around the Gospel. More information about the Dioceses of SD can be found on their website .

The life and work of the Episcopal Church begins in local congregations, expands across dioceses, and extends into global Anglican relationships. Together, as the body of Christ, we worship and work for God's kingdom to come, trusting in the Holy Spirit to guide us. The National Church website has more information on the life & work of the church, the mission, relationships, history, news and much more.