I tend to agree, but how would you weight it between states? Per 1000 capita in the source state or the destination state? Also that would overweight the low

I tend to agree, but how would you weight it between states? Per 1000 capita in the source state or the destination state? Also that would overweight the low pop density states, assuming there's a baseline immigration rate, painting an entirely different picture with the Dakotas/Wyoming/etc.