Discover the Archdiocese of Denver

The Archdiocese of Denver is the Catholic Archdiocese of the Roman Rite for the city of Denver, Colorado, and the Colorado counties of AdamsArapahoeBoulderBroomfieldDenverJeffersonLarimerLogan, and Weld. The archdiocese's home is at the Cathedral Basilica of the Immaculate Conception on the corner of Colfax Avenue and Logan Street.
On May 29, 2012, Pope Benedict XVI announced that Bishop Samuel Joseph Aquila of the Diocese of Fargo, North Dakota had been appointed to become fifth archbishop of Denver. Aquila was ceremonially installed as archbishop on July 18, 2012.
The Latin title of the archdiocese is Archidioecesis Denveriensis and the corporate title is Archdiocese of Denver. The Archdiocese covers an area of 40,154 square miles (104,000 km2). The archdiocese is part of the XIII Conference Region and includes 113 parishes, 307 priests, and an estimated 373,500 lay Catholics.


The area that now makes up the Denver Archdiocese was originally part of the Diocese of Santa Fe. In 1868, territory was taken from thethen-Diocese of Santa Fe in New Mexico and the Diocese of Grass Valley in California to form the Vicariate Apostolic of Colorado andUtah. In 1870, the name was changed to the Vicariate Apostolic of Colorado, and the territory of Utah was transferred to the Archdiocese of San Francisco. The Diocese of Denver was officially created on August 16, 1887, and covered the entire state of Colorado.
On November 15, 1941, territory was taken from the Diocese of Denver to form the Diocese of Pueblo, Colorado and the Denver Diocese was elevated to an Archdiocese. On November 10, 1983, territory was taken from both the Archdiocese of Denver and the Diocese of Pueblo to form the Diocese of Colorado Springs.
On May 29, 2012, Bishop Samuel Joseph Aquila of the Roman Catholic Diocese of Fargo was named as the new Archbishop of the Archdiocese of Denver. Bishop James Conley was appointed to serve as the Archdiocese Apostolic Administrator until a new Archbishop was installed, and Aquila was installed in a ceremony on July 18 at the Cathedral of the Immaculate Conception.

High schools

* Operated independent of and with the blessing of the Archdiocese.

Higher education

Former high schools


Auxiliary bishops

General Information: Archdiocese of Denver
How large is the Catholic population in the Archdiocese of Denver?
The total number of registered Catholics in the Archdiocese of Denver reaches 549,325, which accounts for 16.4% of a general population totalling approximately three million people.
How many clergy and religious serve the archdiocese?
Cardinals - 1
Archbishops - 1
Bishops - 1
Retired archbishops - 1
Abbots - 1
Total diocesan priests - 191
Religious order priests - 104
Extern priests - 23
Total priests in archdiocese - 320
Total deacons - 188
Total brothers - 15
Total sisters - 272
Seminarians - 78
How do I find information about becoming a seminarian?
Those interested in the St. John Vianney Theological Seminary can visit or call 303-282-3429
How many parishes are located in the archdiocese?
The Archdiocese of Denver is composed of 119 parishes. For locations, Mass times, and other parish information, click here.
Are there any Catholic hospitals in the archdiocese?
Yes, the Archdiocese of Denver is blessed to have four health care facilities which provide medical assistance to over 300,000 patients annually. These hospitals include:

How many Catholic schools are in the archdiocese?
There are a total of 45 Catholic schools in the Archdiocese of Denver: two diocesan high schools, five private high schools, 36 diocesan elementary schools and 2 private elementary schools. For a complete list of schools, including locations and grades taught, please visit the Office of Catholic Schools
How can I find religious education for lay adults in the Archdiocese of Denver?
There are numerous options for adults seeking a Catholic religious education in the Archdiocese of Denver.
The archdiocese operates a Catechetical School that serves those seeking provide instruction in Catholic doctrine, Scripture and Christian living and The Catholic Biblical School which helps educate those looking for a deeper understanding of the Catholic faith through Sacred Scripture.
There is also a Masters program offered through Denver's Augustine Institute, which awards master’s degrees in Sacred Scripture, Evangelization and Catechesis, and Catholic Youth Ministry.

1300 South Steele Street 
Denver, CO 80210

Mission Statement
The Office of the Archbishop consists of the staff that helps oversee the general daily operations of the Archdiocese on behalf of the Archbishop.  They also assist the Archbishop with the various ministries, pastoral activities and apostolic works he guides.
The staff includes: the Vicar General/Moderator of the Curia, who directs the operations of the archdiocesan curia and chairs the Committee of Vicars and Directors (COVAD); and the Chancellor, who oversees special projects and planning as assigned, and serves as special assistant and senior counselor to the Archbishop.  Also attached to this office is the Archdiocesan Pastoral Council (APC), one of several advisory bodies to the Archbishop. The APC, comprised primarily of laypeople from around the Archdiocese, provides regular counsel to the Archbishop, focusing on the pastoral needs and activities of Catholics in northern Colorado.
Archbishop Samuel J. Aquila



The Most Rev. Samuel J. Aquila was installed as the new archbishop of Denver on July 18, 2012 at Denver’s Cathedral Basilica of the Immaculate Conception.
Archbishop Aquila has chosen as his episcopal motto, “Do whatever he tells you (Jn 2:5).”
Archbishop Aquila was born on September 24, 1950, in Burbank, Cali. He was ordained to the priesthood in Denver on June 5, 1976, and served the Denver Archdiocese for 25 years before appointed being Coadjutor Bishop of Fargo, N.D. June 12, 2001. On March 18, 2002, he became bishop of Fargo upon the retirement of Bishop James Sullivan.
You are invited to send Archbishop Aquila a greeting of welcome or a prayer. Click here.

Archbishop of Denver 
Most Reverend Samuel J. Aquila


Our Sponsors

This site is sponsored by Mendicant Marketing, a Catholic company specializing in Internet Marketing: Search Engine Marketing, Search Engine Optimization, Social Media Marketing, and more.