The Diocese was created by Pope John Paul II on June 28, 2003 through his apostolic letterQuoniam Quaelibet.[2] The diocese was canonically erected on August 22, 2003, with the installation of its first bishop, Deogracias S. Iñiguez, then Bishop of Iba, Zambales. Upon Iñiguez's resignation on January 25, 2013, Antipolo Auxiliary Bishop Francisco M. De Leon was named Apostolic Administrator of the diocese. On October 14, 2015, Pope Francis named Pablo Virgilio S. David, auxiliary bishop of Archdiocese of San Fernando in Pampanga, as the second bishop of Kalookan and installed on January 2, 2016.
Statistics
As of 2021[update], there are approximately 1,330,840 people in the diocese, with ~89% of them (~1,184,000) being baptized Catholics, and there are 76 priests (40 diocesan and 36 religious) serving 31 parishes.[1] The average number of baptisms in a year between the years 2003-05 was 680.[citation needed] The two prominent Christian religions in the diocese next to Catholicism are the Philippine Independent Church (IFI, Aglipayan) and Iglesia ni Cristo (Church of Christ).
Ordinaries
Bishop
Period in Office
Coat of Arms
1.
Deogracias S. Iñiguez, Jr.
August 22, 2003 – January 25, 2015 (11 years, 156 days)
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