[4] In the 2011 census, Wyong Creek recorded a population of 387 people, 50.1% female and 49.9% male with 2.3% being Indigenous Australian.

90.2% of people spoke only English at home; the next most common languages were 1.5% German, 1.0% Portuguese, 0.8% French, 0.8% Italian and 0.8% Hungarian.

[5] In the 2016 census, Wyong Creek recorded a population of 434 people, 47.9% female and 52.1% male with 3.9% being Indigenous Australian.

The other top responses for country of birth were England 4.8%, New Zealand 1.5%, Germany 0.8%, United States of America 0.8% and South Africa 0.6%.

91.8% of people spoke only English at home; the next most common languages were 1.5% Malay, 1.1% Swedish, 0.8% Serbian, 0.6% Czech and 0.6% Samoan.