The township of Maclagan was surveyed in 17 May 1889. The town was originally named Bismarck after Otto von Bismarck until 1916 when it was renamed Maclagan due to the anti-German sentiment during World War I. The township was renamed Maclagan in honour of Brigadier Ewen George Sinclair-Maclagan (1868-1948). Bismarck Street is still a street in the town.
Maclagan has a post office and general store, a small museum, a butcher, a kindergarten and a park. It also has a Welding Shop, Fuel Depot, a Public Hall. There are also local Mechanics and Earthmoving Businesses, 2 Kilometers away is a Town named Quinalow that has a Fuel station that also does Mechanical work & has some spare parts, along with local BEE Honey, also general supplies along with dog and bird feed. There is a School, A Hotel and a Rural Produce store named NORCO.
- "Census 2011 Quickstat". Archived from the original on 24 September 2015. Retrieved 24 October 2014.
- "Maclagan - town in Toowoomba Region (entry 20481)". Queensland Place Names. Queensland Government. Retrieved 6 August 2017.
- "Maclagan - locality in Toowoomba Region (entry 47993)". Queensland Place Names. Queensland Government. Retrieved 6 August 2017.
- "Queensland Place names". Archived from the original on 24 October 2014. Retrieved 24 October 2014.
Media related to Maclagan, Queensland at Wikimedia Commons