Exton is a rural settlement on the outskirts of Deloraine, Tasmania, that lies next to the railway line from Launceston to Devonport. Its population was estimated at 200 in 1932, and the 2011 census reported the area of Reedy Marsh, which incorporates Exton, had a population of 309 people. Exton lies within the Meander Valley Council local government area.
Exton was first known as Marsh Paddocks, a name that was used also by an early Inn. Marsh Paddock Inn was built c.1850 for William Walter Motton, owner of a Launceston to Westbury stage coach business in the 1840s. From 1860 to 1864 the licensee was George Axtell, former Port Arthur "Point Puer" juvenile convict. The hotel lost its licence in 1920. The building was renovated in the 1960s and the original top storey removed. It is now a private residence.
Reverend Samuel Martin arrived in Tasmania on the "Sir Thomas Monro" in 1833, with his wife Sarah Martin (née Exton). Martin purchased a property called "Abbey Lara" and renamed the property Exton in honour of his wife. He built Exton House in 1845, and bred cattle on the estate. The original building was single storey and was replaced by a two-storey building in the 1850s. Around this time the area's name was changed from Marsh Paddocks to Exton. The house was sold to William Hart in 1886, who added verandas and balconies, and it remained in the Hart family until 1924. In the 1930s the Exton Estate covered 10,000 acres (4,000 ha), much of which was let to tenants, and the two-storey Exton House was noted as having 20 rooms.
A Methodist, then Wesleyan, chapel was built in 1856. By 1863 the area had a population of 110, two hotels (the Marsh Hotel and the Exton Hotel), a flour mill, brewery, and a public school. The same year it became part of the Westbury Municipality. Railway transport began when the western line from Launceston to Deloraine opened 10 February 1871. A state school, and teacher's residence, was built in 1890 at a cost of 247 pounds. The school was closed in 1951, and the building burned down in 1985.
By the 1930s Exton's population had declined due to the mechanization of farming and improved transport reducing the need for labour. At this time the town's services had expanded to include the state school, a railway station, a savings bank, G D Loone's general store and offices for postal, telegraph and money order services. The Anglican Church began construction of Christ Church in 1901 and dedicated the building in 1902. It was still in use in the late 1970s but had closed by 1991.