Complex sentence: At the time of the census, 99 people stated they lived in caravans--it is likely these would have been residents of the now-closed La Mancha caravan park located on the Pacific Highway and slated for redevelopment as medium density housing.
Split into simpler sentences: At the time of the census, 99 people stated they lived in caravans. It is likely these would have been residents of the now-closed La Mancha Caravan Park located on the Pacific Highway and slated for redevelopment as medium density housing.