over made up 16.9% of the population. Almost one-third (32.3%) were born overseas, similar to the national average of 30.2%. The top countries of overseas birth were China 4.5%, England 2.2%, Hong Kong 2.0%, New Zealand 1.9%, and Egypt 1.8%. 62.7% of people spoke only English at home; the next-most-common languages spoken at home were Greek, 8.0%, Cantonese 5.4%, Mandarin 3.8%, Arabic 3.8%, and Italian 2.7%. The most-common responses regarding religious affiliation were Roman Catholic 29.7%, Anglican 16.7%, Eastern Orthodox 16.3%, no religion 13.8%, and Buddhism 3.3%. The great majority (78.9%) of households in Sylvania Waters are separate houses, 8.8% were semi-detached, row or terrace houses, townhouses etc., and 12.3% were flats, units, or apartments. The average household size was 2.9 people. References External links a local community based website. of Sylvania Waters – run by Sylvania Waters Ltd. Suburbs of Sydney Sutherland Shire