Technically it does have inhabitants since there's at least the nurse in the Pokemon Center (can't remember if there were other NPCs there), but anyway. I do feel like there could be more to the city. Heck, even some backstory that tells how Ever Grande was once a large, populous city only for something to happen to it to make it how it is now would be good enough for me, though I doubt that would ever happen. It gaining small shops and/or a few extra NPCs or being renamed to something more fitting seems most plausible.