Houston was designated as a new town in the 1950s by the Clyde Valley Regional Plan. This resulted in the construction of many detached, terraced and semi-detached houses around the traditional village. Three schools - Houston Primary, St Fillans Primary and Gryffe High School - were constructed for the new population, however the committee for the new town folded before any further provisions for Houston were made and therefore, it never expanded beyond a large village. Its current day population is approximately 8,000.
In the late 1980s and early 1990s, another boom saw private houses built in Houston in large privately owned housing estates such as the affluent Cunningham Gardens and the Fulton Park estate. The growth of the village absorbed the neighbouring village of Crosslee.
Today it is an affluent and desirable area to live and the local high school has a positive national reputation within Scotland.