Earlier quoted context omitted.
One thing, not immediately clear from those averages, is that apartments in Manhattan tend to be larger than those in SF. If you look at the breakdown by bedroom count: 1BR: SF -> $3303 | NY -> $2939 2BR: SF -> $4481 | NY -> $3752 This makes clear that NY inventory is biased towards larger units, which makes comparisons of overall averages deceptive.
Do you have any data to support this? I am not being argumentative, I just found that from personal experience the opposite was true- that total rent tended to be higher in SF, but the apartments tended to be larger, at least than those in Manhattan. It seemed to me that SF was slightly cheaper per sq ft, with many more houses having access to outdoor space. The closest I could find in terms of data was this site- ht…
Price per square foot would shed more light on this, but I don't know of a reliable (free) source of that data.