Q&A: How big is the audience for Late Night With Jimmy Fallon?

Question by A: How big is the audience for Late Night With Jimmy Fallon?
I got tickets for a taping for next month and I was wondering how many people are usually in the audience and if seating is first come first served.

Best answer:

Answer by peppa
275 seats in Studio 6B (per twitter)

Know better? Leave your own answer in the comments!