Diocese of Joliet

Diocese of Joliet in Illinois

Diœcesis Joliettensis in Illinois
Catholic
Coat of arms
Location
CountryUnited States
Ecclesiastical provinceChicago
MetropolitanChicago
HeadquartersCrest Hill, Illinois
Coordinates41°34′59″N 88°07′14″W / 41.58301270°N 88.12043910°W / 41.58301270; -88.12043910
Statistics
Area4,218 sq mi (10,920 km2)
Population
  • Total
  • Catholics
  • (as of 2023)
  • 1,961,747
  • 520,148 (26.5%)
Parishes117
Schools52
Information
DenominationCatholic Church
Sui iuris churchLatin Church
RiteRoman Rite
EstablishedDecember 11, 1948 (77 years ago)
CathedralCathedral of St. Raymond Nonnatus
Patron saintSt. Francis Xavier
Current leadership
PopeLeo XIV
BishopSede vacante
Metropolitan ArchbishopBlase J. Cupich
Auxiliary BishopsDennis E. Spies
Apostolic AdministratorDennis E. Spies
Bishops emeritusR. Daniel Conlon
Map
Website
diojoliet.org

The Diocese of Joliet in Illinois (Latin: Diœcesis Joliettensis in Illinois) is a diocese of the Catholic Church in Illinois in the United States. It is a suffragan diocese of the metropolitan Archdiocese of Chicago. It was created in 1948, branching from the Archdiocese of Chicago. The mother church of the diocese is the Cathedral of St. Raymond Nonnatus in Joliet. The diocese is currently a vacant see.