Roman Catholic Diocese of Peoria

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Diocese of Peoria Diœcesis Peoriensis
Cathedral of St. Mary of the Immaculate Conception
Coat of arms
Location
Country	United States
Territory	26 counties across central Illinois
Ecclesiastical province	Chicago
Metropolitan	Chicago
Statistics
Area	16,933 sq mi (43,860 km2)
Population - Total - Catholics	(as of 2015) 1,492,335 121,965 (8.2%)
Parishes	158
Information
Denomination	Catholic
Sui iuris church	Latin Church
Rite	Roman Rite
Established	February 12, 1875 (149 years ago)
Cathedral	St. Mary's Cathedral
Patron saint	Immaculate Conception St. Joseph the Worker St. Therese of Lisieux [citation needed]
Current leadership
Pope	Francis
Bishop	Louis Tylka
Metropolitan Archbishop	Blase J. Cupich
Vicar General	Philip D. Halfacre
Bishops emeritus	Daniel R. Jenky
Map
Website
cdop.org

The Diocese of Peoria (Latin: Diœcesis Peoriensis) is a Latin Church ecclesiastical territory, or diocese, of the Catholic Church in the north central region of Illinois in the United States. It is a suffragan diocese within the ecclesiastical province of the metropolitan Archdiocese of Chicago.

The current bishop of the Diocese of Peoria is Louis Tylka.^[1] The mother church of the diocese is the Cathedral of St. Mary of the Immaculate Conception in Peoria.