The official census of 1897 gave for the four provinces of the Delta a total population of 3,282,457; 73,365 being schismatics of different rites, 3091 Catholics of various rites and 241 Protestants.
The census of 1897 revealed that the population of the Delta's four provinces was 3,282,457 people.  Among them, 73,365 individuals belonged to different religious groups, while 3,091 were Catholics with varying rites and 241 were Protestants.