In the 2011 census, South Murwillumbah recorded a population of 1,064 people, 49.2% female and 50.8% male.

87.8% of people living in South Murwillumbah were born in Australia.

The other top responses for country of birth were England 2.2%, New Zealand 1.7%, Scotland 0.7%, India 0.6%, Fiji 0.3%.

92.5% of people spoke only English at home; the next most common languages were 0.3% Punjabi, 0.3% French, 0.3% Hebrew, 0.3% Italian, 0.3% Mandarin.

Murwillumbah has a number of heritage-listed sites, including: This New South Wales geography article is a stub.