Bilambil Heights is a town located in north-eastern New South Wales, Australia, in the Tweed Shire.

In the 2021 Census, Bilambil Heights recorded a population of 3,491 people, 51.9% female and 48.1% male.

The median age of the Bilambil Heights population was 44 years, 6 years above the national median of 38.

78.7% of people living in Bilambil Heights were born in Australia. The other top responses for country of birth were England 4.3%, New Zealand 3.5%, Germany 1.0%, Scotland 0.5%, and South Africa 0.5%.

88.0% of people spoke only English at home; the next most common languages were 0.6% German, 0.6% Portuguese, 0.4% Italian, 0.3% Spanish, and 0.3% Greek.