According the "2005 Report of the Supreme Knight" there are 2,529 Assemblies in 116 Districts in 20 Provinces. Some States are broken into multiple Districts. Thanks to Debbie Morrone from the Office of the Supreme Master for providing the following information.
| Fourth Degree Province | Districts |
| Archbishop Norbert Blanchet | Idaho, Oregon, Washington |
| Bienville | Alabama, Arkansas, Louisiana, Mississippi, Tennessee |
| Bishop James E. Healy | Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont |
| Calvert | Archdiocese of Washington, Delaware, Maryland, Pennsylvania (2), Virginia |
| Desmet | Montana, North Dakota, South Dakota, Wyoming |
| DeSoto | Florida, Georgia, North Carolina, South Carolina, Puerto Rico |
| Hennepin | Michigan (3), Ohio (3) |
| St Isaac Jogues | New Jersey (2), New York (5) |
| Marquette | Illinois (3), Minnesota, Wisconsin (2) |
| Our Lady of Guadalupe | Oklahoma, Texas (6) |
| Fr Juan Padilla | Iowa, Kansas, Missouri, Nebraska |
| John H Reddin | Arizona, Colorado, New Mexico, Utah |
| Fr Edward F Sorin C.S.C. | Kentucky, Indiana, and West Virginia |
| Junipero Serra | California (3), Nevada |
| Special Districts * | Alaska, Hawaii, Guam, Virgin Islands |
* The Special Districts do not have a Vice Supreme Master. They report directly to the Supreme Master.
| Fourth Degree Province | Districts |
| Cardinal McGuigan | Ontario (7), Manitoba |
| Champlain | Quebec (9) |
| Most Rev. Francis C. Kelly | New Brunswick, Newfoundland, Nova Scotia, Prince Edward Island |
| Simon Fraser | Alberta, British Columbia, Saskatchewan |
| Fourth Degree Province | Districts |
| Saint Philip of Jesus | Mexico |
| Fourth Degree Province | Districts |
| Ferdinand Magellan | Philippines |