Rockdale is a suburb which lies within the Territorial Authority of Invercargill, one of 36 residential suburbs which form the wider region. Rockdale is the 21st largest suburb of Invercargill in terms of the total number of residential housing stock. Rockdale provides a range of housing stock, with the earliest residential housing recorded in the area constructed between 1910 - 1919. The majority of the residential housing stock in the locality was constructed between 1970 - 1979. Residential housing stock in Rockdale is made up of approximately 95% residential housing and 5% lifestyle properties.