Portola Valley, California
![Lambang resmi Portola Valley, California](http://upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Seal_of_Portola_Valley%2C_California.png/100px-Seal_of_Portola_Valley%2C_California.png)
Lambang
![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/bf/San_Mateo_County_California_Incorporated_and_Unincorporated_areas_Portola_Valley_Highlighted.svg/250px-San_Mateo_County_California_Incorporated_and_Unincorporated_areas_Portola_Valley_Highlighted.svg.png)
(2010)
(2018)[3]
94028
- ^ a b "Town Council". Portola Valley, CA. Diakses tanggal December 19, 2014.
- ^ "2016 U.S. Gazetteer Files". United States Census Bureau. Diakses tanggal Jun 28, 2017.
- ^ "American FactFinder - Community Facts". factfinder.census.gov (dalam bahasa Inggris). U.S. Census Bureau. Diarsipkan dari versi asli tanggal 2020-02-14. Diakses tanggal 25 March 2018.
- ^ "California Cities by Incorporation Date". California Association of Local Agency Formation Commissions. Diarsipkan dari versi asli (Word) tanggal 2014-11-03. Diakses tanggal August 25, 2014.