Zip Code 94305 encompasses all of Stanford University. About 40% of the faculty and high-level staff and their families inhabit (own) campus residences. Well over 10,000 undergraduate and graduate students live in student housing on campus.
The Center for Responsive Politics reports political contributions to individual candidates, parties, and PACs, among others. As of August 24, 2016, data are available through June 30, 2016.
For Stanford (94305), 136 individual contributions were made to Hillary Clinton during the months of May and June 2016. (I did not add up the total amount of money contributed).
No contributions were made to Donald Trump. To be fair, most campus Republicans did not support Trump in California's Republican primary.
Your friendly proprietor will update these numbers when data are reported for July, August, and September, and will total the dollar amounts for the last reported month prior to November 8.