 Roslyn was formerly a part of the Papaioea Ward of the Palmerston North City Council, alongside neighbouring Milson, Papaioea, Palmerston North Hospital Area and Kelvin Grove.Prior to 1996, Roslyn north and east of Featherston Street was part of the Manawatu electorate, while Roslyn south of Featherston Street was in Palmerston North electorate.The entire suburb is now part of the Palmerston North electorate and Māori electorate of Te Tai Hauāuru.