I was thinking about how much San Francisco has changed since I first moved here in 1992, and decided to look at the numbers. San Francisco's population--and population density--has grown 15.6% since 1990. The population grew by 114,000, which is not inconsequential. More interestingly, we also roughly added an additional 2,500 persons per square mile within an already dense footprint!
Year - Population - Persons per square mile
1990 - 723,959 - 15,446
2013 - 837,442 - 17,867
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"You need both a public and a private position." --Hillary Clinton, speaking behind closed doors to the National Multi-Family Housing Council, 2013
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