Zipf’s law is just a specific example of a power law. Other power laws exist for lots of different things, just with different exponents.

the jury seems out about cities. This paper suggests they don’t follow a other distributions: www.sciencedirect.com/…/S0264275124002592 , but this one suggests that they do: www.oecd.org/content/dam/…/5k3tt100wf7j-en.pdf - specifically it suggests they DO follow Zipf’s law, within a given country. Inter-country differences are likely due to different developmental trajectories over time.