Goodbye 8th Year Event Goals Fix
A fix is now live. An additional goal, Earn 5 Stars, has been added. Completing this will grant the additional 500 RP to complete the reward track.
I think you might have a chance at getting the game developers to change it if your city name is something personal like a real name and you would not want that in the game then the game developers might be willing to change it. But thats just my thinking process i am not sure about this. You would have to email them directly or contact them on Facebook or twitter.