Archdiocese of Seattle

The Archdiocese of Seattle is one of 170 dioceses (geographic areas of responsibility) of the Catholic Church in the United States. The Archdiocese of Seattle encompasses all of Western Washington, stretching from the Canadian to the Oregon border and from the Cascade Mountains to the Pacific Ocean. There are 173 parishes, missions and pastoral centers in the Archdiocese, serving 579,500 registered Catholics.