Grangemouth is a town in the Falkirk council area, Scotland. Historically allowance of the county of Stirlingshire, the town lies in the Forth Valley, on the banks of the Firth of Forth, 3 miles (4.8 km) east of Falkirk, 5 miles (8.0 km) west of Bo’ness and 13 miles (20.9 km) south-east of Stirling. Grangemouth had a resident population of 17,906 according to the 2001 Census. Preliminary figures from the 2011 census reported the number as 17,373.
Grangemouth’s native growth as a town relied mainly upon its geographical location. Originally a living port, trade flowed through the town in the same way as the construction of the Forth and Clyde Canal in the 18th century. Nowadays, the economy of Grangemouth is focused primarily upon the large petrochemical industry of the area which includes the oil refinery, owned by Ineos, one of the largest of its kind in Europe. The town is twinned subsequently La Porte, Indiana.
Residents of the town are known as Portonians.