I moved out of the hills perhaps 1997 or so, and i'd say there was significant 'Australian born' which I feel would be less prevalent now when I am around there. Refer stats below, however definite increase in the Sri Lankan and Indian populations.
http://localstats.qpzm.com.au/stats/vic/melbourne/south-east/endeavour-hills
Endeavour Hills (3802) is a suburb of Melbourne, South East, Victoria. It is about 31 kms from VIC's capital city of Melbourne. Endeavour Hills is in the federal electorate of Holt.
In the 2011 Census the population of Endeavour Hills is 24,574 and is comprised of 49.9% females and 50.1% males.
The median/average age of the Endeavour Hills population is 36 years of age, 1 year below the Australian average.
48.5% of people living in Endeavour Hills were born in Australia. The other top responses for country of birth were Sri Lanka 5.3%, India 4.2%, China 2.1%, England 2%, Afghanistan 1.9%.
47.7% of people speak English as their first language 3.6% Arabic, 3.1% Sinhalese, 2.8% Mandarin, 2.6% Greek, 2.5% Serbian.
The religious make up of Endeavour Hills is 30.4% Catholic, 13.4% No Religion, 9.3% Islam, 7.9% Eastern Orthodox, 6.6% Anglican.
54.7% of people are married, 32.3% have never married and 6.2% are divorced and 2.8% are separated. There are 800 widowed people living in Endeavour Hills.
60.2% of the people living in Endeavour Hills are employed full time, 27.3% are working on a part time basis. Endeavour Hills has an unemployment rate of 6.7%.
The main occupations of people from Endeavour Hills are Professionals 16.5%, Technicians and Trades Workers 16.3%, Clerical and Administrative Workers 15.7%, Labourers 11.3%, Sales Workers 10.8%, Machinery Operators And Drivers 9.2%, Managers 9%, Community and Personal Service Workers 8.4%.
The median individual income is $501.00 per week and the median household income is $1321.00 per week.
34.3% of homes are fully owned, and 45.4% are in the process of being purchased by home loan mortgage. 17.1% of homes are rented.
The median rent in Endeavour Hills is $300 per week and the median mortgage repayment is $1651 per month.