This is some interesting info on the demographics of Toronto.  Not sure if it’s been updated since 2006, but nevertheless – interesting.

The demographics of Toronto make Toronto one of the most multicultural cities in the world. Data released by Statistics Canada as part of the 2006 census indicates that Toronto is more ethnically diverse than Miami, Los Angeles, and New York City. 49.9% of Toronto’s population is foreign-born.^[1]

A majority of Torontonians claim their origins from as either in whole or part from England, Scotland and Ireland.

There is a significant population of Afghans, Arabs, Barbadians, Bengalis, Chinese, Colombians, Ecuadorians, Filipinos, French, Germans, Greeks, Grenadians, Guyanese, Hungarians, Indians, Iranians, Italians, Jamaicans, Jews, Koreans, Mexicans, Pakistanis, Poles, Portuguese, Romanians, Russians, Salvadorans, Somalis, Sri Lankans, Tamils, Tibetans, Trinidadians, Ukrainians, Vietnamese, and Vincentians throughout the city.

Neighbourhoods such as Chinatown, Corso Italia, Little India, Greektown, Koreatown, Little Jamaica, Little Portugal and Roncesvalles are examples of these large ethno-cultural populations.^[2].

Christianity is the largest faith group in Toronto’s census metropolitan area, with Roman Catholics comprising 33.4% of the population. The Anglican Church and United Church of Canada account for 6.9% each. Other religious groups include Islam (5.5%), Hinduism (4.1%), Judaism (3.5%), Buddhism (2.1%), and Sikhism (1.9%). 16.6% of the population claim they have no religious affiliation.^[3]
 
While English is the predominant language spoken by Torontonians, Statistics Canada reports that other language groups are significant, including Chinese, Portuguese, Tamil, Arabic, Persian, Pashto, Urdu, Spanish, Punjabi, Somali, and Italian. Canada’s other official language, French, is spoken by 1.4% of the population.

For more info please see the original Wikipedia listing here:
http://en.wikipedia.org/wiki/Demographics_of_Toronto