About Saint John Cathedral
Saint John Cathedral is a Catholic church located at 775 NORTH 8TH STREET, Boise, ID, 83704. You can reach Saint John Cathedral at +12083423511.
Saint John Cathedral is one of 219 churches we list in Boise, among 1,673 across Idaho. It falls within Ada County and the Boise City, ID metro area. It is counted among 13 Catholic churches in Boise, part of 122 in the Catholic tradition across Idaho. Its design is attributed to Tourtellotte & Hummel.
Patron saint of Saint John Cathedral
Other churches named after Saint John
5 other churches named in honor of Saint John are indexed in Churches List. The most-reviewed of those appear below.
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Catholic · Houston, TX
St. John Vianney
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Catholic · Miami, FL
Saint John Bosco Church
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Catholic · Miami, FL
St. John Bosco
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Catholic · Houston, TX
St. John Neumann
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Catholic · Philadelphia, PA
St John Neumann Shrine
Where is Saint John Cathedral located?
Saint John Cathedral is located at 775 NORTH 8TH STREET, Boise, ID, 83704. The building sits at coordinates 43.62095, -116.19891, placing it in Boise, ID 83704.
Location is approximate — drawn from the public street address.
The neighborhood around Saint John Cathedral
The ZIP code 83704 area around Saint John Cathedral is home to 40,520 residents with a median household income of $68,285 and a median age of 38.4 years, according to the US Census Bureau's 2022 American Community Survey 5-year estimates.
US Census Bureau, American Community Survey 2022 five-year estimates.
What to expect at a service at Saint John Cathedral
Roman Catholic parishes follow a structured liturgy called the Mass, celebrated worldwide in the same order.
- Mass lasts about an hour and includes Scripture readings, a homily, hymns, and Holy Communion.
- Visitors are welcome. Only baptized Catholics in good standing receive Communion; others come forward with arms crossed for a blessing.
- Dress is modest but not formal — business casual is typical for Sunday Mass.
Generalized notes for first-time visitors. Individual churches vary — when in doubt, ask a greeter at the door.
Saint John Cathedral on the National Register of Historic Places
Saint John Cathedral is listed on the United States National Register of Historic Places under reference 78001035, added to the Register on 1978-05-24.
Read the official NPS nomination for Saint John Cathedral →
Churches sharing the architectural tradition of Saint John Cathedral
5 other US churches in the Romanesque Revival architecture tradition are indexed in Churches List.
- Sacred Heart Church Tampa, FL · est. 1905
- Old St. Patricks Chicago, IL
- St John Neumann Shrine Philadelphia, PA · est. 1847
- Saint Peter's Cathedral Scranton, PA · est. 1884
- Ascension Catholic Church New York City, NY · est. 1897
Churches in the same diocese as Saint John Cathedral
Saint John Cathedral shares an ecclesiastical jurisdiction with 1 other parishes indexed in Churches List.
Saint John Cathedral by the numbers
Questions and answers about Saint John Cathedral
- What denomination is Saint John Cathedral?
- This church is part of the Catholic tradition.
- Where is Saint John Cathedral located?
- Saint John Cathedral is located at 775 NORTH 8TH STREET, Boise, ID, 83704.
- Is Saint John Cathedral on the National Register of Historic Places?
- Yes — NRHP reference 78001035, added 1978-05-24.
- Who is the patron saint of Saint John Cathedral?
- Saint John (John, Apostle & Evangelist). Feast day: Dec 27.
- What is the architecture of Saint John Cathedral?
- Saint John Cathedral is a Romanesque Revival architecture building, designed by Tourtellotte & Hummel.
Photographs of Saint John Cathedral
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Photographs via Wikimedia Commons. Click through for author and licence.
Visitor notes about Saint John Cathedral
Short, text-only reflections left by visitors. No ratings, no photographs — by editorial policy.
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