The Roman Catholic Diocese of Oakland was created in 1962. The estimated population of Alameda
and Contra Costa counties is over 2.7 million people with a Catholic population projected at 394,000.
Currently serving the needs of the faithful are 391 priests, 112 deacons, 399 religious brothers and
sisters, and many lay volunteers in 84 parishes, 11 pastoral centers, and other diocesan offices.
Including religious education programs, there are over 45,000 students under Catholic instruction in
the Diocese at 39 elementary schools, eight high schools, two Catholic colleges, and several schools
of religious formation.
