The Rural City of Horsham is a local government area in Victoria, Australia, located in the western part of the state. It covers an area of 4,249 square kilometres (1,641 sq mi) and, at the 2011 Census, had a population of 19,279. It includes the towns of Brimpaen, Dadswells Bridge, Dooen, Haven, Horsham, Laharum, Natimuk, Noradjuha and Pimpinio.