The zip code 94028, which encompasses the whole of Portola Valley, has the 9th most expensive housing prices within the country, according to Forbes Magazine (2013). Portola Valley is a good choice for families with children because of several factors. Many other families with children live here, making it a place where both parents and children are more likely to develop social ties with other families. The town’s good public school district and large population of college-educated adults provide an environment conducive to academic success.