There are public bike counters along Market St. with displays. If you live here you can go and look at the numbers yourself, there's one not far from Twitter's

There are public bike counters along Market St. with displays. If you live here you can go and look at the numbers yourself, there's one not far from Twitter's office. I don't know what the overall daily ride count is now. About 5 years ago it was something like 90K trips/day, and had been on a more or less linear growth path.