The "City Of London" (a small part of central London) has something like this. They have a resident population of <10,000 people, but somewhere between 500,000

The "City Of London" (a small part of central London) has something like this. They have a resident population of <10,000 people, but somewhere between 500,000 and 1 million people commute there for work. Companies get to nominate some of their workforce as voters for the council (called "The Corporation Of London"). For historical reasons ("The City" is much older than the UK itself), things are much more complicated than simply "People who work there get to vote", so I'm not sure it's a very comparable situation. The best explanation I've found is https://www.youtube.com/watch?v=LrObZ_HZZUc https://www.youtube.com/watch?v=LrObZ_HZZUc