Yes, voting requires some form of residency. That's a pretty basic tenant of any stable representative government.
Anything less becomes extremely easy to game.
There people have residency, they just don't live in a stable form of housing that allows them to register as living in the city. But some of them have lived in the city for years.
There people have residency, they just don't live in a stable form of housing that allows them to register as living in the city. But some of them have lived in the city for years.