How many San Franciscans:
Trace their ancestry from China, Ireland, Mexico or the Philippines?
Are children under 5? Speak Spanish at home? Have their cars stolen?
Are heterosexual or gay? Divorced? Live alone? Give birth each year?
Vote Libertarian? Earn over $200,000/year? Have graduate degrees?
There is no city in the world quite like San Francisco – and here are some of the details.