Seeing as San Francisco is already more dense than Brooklyn, I question that. However you could over 3 million people in San Francisco if you built up to Manhattan levels of density. That would be impressive.
San Francisco's density is 17,867/sq mi (6,898/km2).
Brooklyn's density is 14,182/km2 (36,732/sq mi).
Brooklyn is a lot more dense— there are numerous subway lines all the way to the Atlantic, and essentially all of them are built up with 4-story+ apartment buildings near the stations. Many former single-family homes (especially enormous brownstone mansions) are split into multiple apartments.
In San Francisco, there are neighborhoods of single-family homes with a single story of living space (built over a garage) a couple stops out from the Mission along the single subway line. Even core urban neighborhoods like the Mission are mostly 2- or 3-story buildings of the sort that are seen something like 10 subway stops into Brooklyn.
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Seeing as San Francisco is already more dense than Brooklyn, I question that. However you could over 3 million people in San Francisco if you built up to Manhattan levels of density. That would be impressive.
San Francisco's density is 17,867/sq mi (6,898/km2).
Brooklyn's density is 14,182/km2 (36,732/sq mi).
Brooklyn is a lot more dense— there are numerous subway lines all the way to the Atlantic, and essentially all of them are built up with 4-story+ apartment buildings near the stations. Many former single-family homes (especially enormous brownstone mansions) are split into multiple apartments.
In San Francisco, there are neighborhoods of single-family homes with a single story of living space (built over a garage) a couple stops out from the Mission along the single subway line. Even core urban neighborhoods like the Mission are mostly 2- or 3-story buildings of the sort that are seen something like 10 subway stops into Brooklyn.
sorry, you're wrong on Brooklyn vs. SF
Brooklyn Density: 36,732/sq mi San Francisco Density: 17,867/sq mi
Both figures pulled from Wikipedia for 2013 population estimates from the census bureau.