The Episcopal Diocese of Maine comprises 17,000 members and 67 congregations.
The Episcopal Diocese of Maryland comprises the northern and central Maryland counties of Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Frederick, Garrett, Harford, Howard, and Washington and the city of Baltimore. It is one of the nine original dioceses of the Episcopal Church, tracing its roots back to 1608 when Captain John Smith oversaw the first Christian worship in the upper Chesapeake Bay. Today, the Diocese of Maryland has more than 44,200 members and 112 congregations.
The Episcopal Diocese of Massachusetts, established in 1784, is one of the first Episcopal dioceses organized in the United States, and is among the largest, with 79,000 members and 194 congregations.
The Episcopal Diocese of Michigan comprises 95 congregations in southeastern lower Michigan. Eighteen of the congregations are in the city of Detroit; others go north approaching Grand Blanc and west to Lansing and Hillsdale.
The Episcopal Diocese of Milwaukee comprises over 15,000 members and 63 congregations, covering southern Wisconsin.
The Episcopal Diocese of Minnesota maintains one of the largest Departments of Indian Work in the entire Episcopal Church, with faith communities on nearly every reservation in Minnesota. Additionally, the diocese supports faith communities worshiping in several languages, including Hmong and Spanish.It comprises 22,000 members and 106 congregations.
The Episcopal Diocese of Mississippi has approximately 20,000 members. Mississippi Episcopalians are particularly involved in the ministry of racial reconciliation, a ministry that has been handed down since the 1960s when the Diocese took an active role in the Civil Rights Movement.
The Episcopal Diocese of Missouri comprises 14,598 members and 49 congregations.
The Episcopal Diocese of Montana, established in 1904,covers 25 counties and comprises 5,400 members and43 congregations, many in small rural communities throughout the state.