The Roman Catholic Archdiocese of Washington is home to more than 667,000 Catholics, 140 parishes, and 90 Catholic schools in Washington, D.C. and Maryland. The Roman Catholic Archdiocese of Washington - Official Page - Every year, thousands of people receive counseling, shelter, health care, immigration and legal aid, affordable housing and more through the care of the Catholic Church in DC. The Roman Catholic Archdiocese of Washington's mission is to spread the light of the Gospel of Jesus Christ to the world. We are home to 655,000 Catholics in 139 parishes in Washington, D.C. and five surrounding Maryland counties of Montgomery, Prince George's, Calvert, Charles, and Saint Mary's. The Archdiocese of Washington serves the community through more than 100 faith-based ministries. Our 93 Catholic schools educate and form more than 26,000 children. We are one of the largest private social service providers in the region, serving more than 142,000 people annually, regardless of faith or background, through food, shelter, counseling, adoption and foster care assistance, health care, immigration and legal aid, jobs training, and affordable housing.