By Jeremy Raff and Rachel Dornhelm

If you bike around Alamo Square, stroll through Chinatown, hit tennis balls in Hayes Valley or enjoy a car-less commute, you already know what new a report by Smart Growth America confirms: The Bay Area’s density correlates with better health indicators, more economic mobility and fewer transportation costs.

San Francisco is the second-densest city in the country, after only New York.

 Details in this video report:

San Francisco is Second-Densest City in America, Report Shows 30 September,2014KQED News Staff

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