Opiki is a suburb which lies within the Territorial Authority of Horowhenua, one of 13 residential suburbs which form the wider region. Opiki is the 12nd largest suburb of Horowhenua in terms of the total number of residential housing stock. Opiki 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 1950 - 1959. Residential housing stock in Opiki is made up of approximately 56% residential housing and 44% lifestyle properties.