Who we are: 1,556,575 Catholics in the Diocese. 167 Countries we come from.  19,593 Infant Baptisms in the year 2006. 3,455 Marriages celebrated in the Diocese in the year 2006. 57,405 High school and elementary school students enrolled in 140 schools in 2007.  21,901 Students enrolled in three Catholic colleges and universities. 5 Bishops. 776 Diocesan and religious order priests serving in the Diocese. 1,148 Sisters (969) and Brothers (179) living and working in the Diocese. 216 Parishes. 1853 Year the Roman Catholic Diocese of Brooklyn was established. 179 Square miles in the Diocese, which comprises Kings and Queens Counties in New York.