10 Most Expensive Zip Codes in Bay Area – Portola Valley CA 94028- 5/10

Median Price: $3,255,885

The current population of Portola Valley is 4,195 with the median age of 53. Portola Valley’s median household income is $158,138, and the average household net worth is $1,684,367. 52% of Portola Valley’s population are long term residents having lived in their homes for more than 5 years, while 11% of Portola Valley’s population have moved in the last year.