In the 2011 census, Tweed Heads South recorded a population of 7,902 people, 53.3% female and 46.7% male.

72.3% of people living in Tweed Heads South were born in Australia.

The other top responses for country of birth were England 8.4%, New Zealand 3.5%, Scotland 1%, China 0.8%, Philippines 0.7%.

89.5% of people spoke only English at home; the next most common languages were 0.6% Mandarin, 0.3% Tagalog, 0.3% German, 0.3% Cantonese, 0.3% Thai.

[1] A number of well-known sporting clubs are located in Tweed Heads South including South Tweed RLFC and Tweed Banora Colts Cricket Club,[2] who play home games at Dave Burns Field.