Johnsonville is a suburb which lies within the Territorial Authority of Wellington, one of 52 residential suburbs which form the wider region. Johnsonville is the 4th largest suburb of Wellington in terms of the total number of residential housing stock. Johnsonville provides a range of housing stock, with the earliest residential housing recorded in the area constructed between 1880 - 1889. The majority of the residential housing stock in the locality was constructed between 1970 - 1979. Residential housing stock in Johnsonville is made up of approximately 95% residential housing and 5% residential investment housing properties.