[4] Nearby Mount Warning and its attendant national park are known as Wollumbin, meaning "Cloud Catcher", in the Bundjalung language.

[7] In December 1923, "Bray Estate" made up of 9 farm and farmlet blocks was advertised to be auctioned by A. E. Budd & Son.

[13] In November 2023, fire ants were discovered at Murwillumbah, the first time the species has been found outside of South East Queensland since the outbreak began in 2001.

The Tweed River reached 6.2 metres (20 ft) after rainfall of over 700 millimetres (28 in) from the remnants of Tropical Cyclone Debbie fell in its upper catchment over a 36-hour period.

The March 1974 flood caused two hundred people to be evacuated from the town after floodwater from Tropical Cyclone Zoe inundated the area.

The pre-existing highway, now significantly quieter, was renamed The Tweed Valley Way, and is the main means of access to Murwillumbah from both north and south.

[23] Today NSW TrainLink coaches to and from Casino provide connections to Sydney, while the station itself is used as a tourist information centre.

Murwillumbah Bus Company offers regular services to major parts of the town, as well as Condong and Uki.

The sugar mill at nearby Condong was served by numerous tramways until 1973 saw the introduction of mechanical cane harvesting.

[28] From 2002 to 2009 an historic motor racing festival was run through the streets of Murwillimbah, featuring a parade through town, a one kilometre hillclimb course, and connected events, attracting thousands of spectators.

87.7% of people spoke only English at home; the next most common languages were Punjabi 0.9%, Spanish 0.4%, French 0.3%, German 0.3% and Hindi 0.2%.

[1] Murwillumbah has a humid subtropical climate (Köppen: Cfa) with hot, wet summers and mild, relatively dry winters.

Notable people from Murwillumbah include: Archived 2011-01-17 at the Wayback Machine by Amy Fallon, The Punch (10 December 2009)