response: Yeah, in 2017 it was at 305,704.  That makes it the 63rd largest American city.
original_response: Yes it is. Even though Pittsburgh looks like a big city, it's population within the city limits is only 305,704 making Pittsburgh only the 63rd largest in the US.
history: Do you know about pittsburgh Yes I do!  It's located in Allegheny County, Pennsylvania, USA. Yes your right, it has junction of 3 rivers Oh?  Did you know that Pittsburgh has a pre-revolutionary fortification?  And 2 inclined railways!  There's also Point State Park which is at a confluence of rivers. Wow very cool.  Any idea of the population?
knowledge: As of 2017, a total population of 305,704 lives within the city limits, making it the 63rd-largest city in the U.S.