Armstrong is a town in Victoria, Australia, located on the Western Highway, north of Ararat, in the local government area of Rural City o…Armstrong is a town in Victoria, Australia, located on the Western Highway, north of Ararat, in the local government area of Rural City of Ararat. The population at the 2021 census was 90. The town began as a gold-mining settlement, with a Post Office opening on 1 January 1859, and had a peak population of 516.