It seems that across countries the size of the parlament is proportional to the square root of the population size:
https://politics.stackexchange.com/questions/364/is-there-an...
https://politics.stackexchange.com/questions/364/is-there-an...
Also , no states have been added in over 60years , it is time D.C. And Puerto Rico get state hood.
I'd rather dissolve D.C. and re-institute the original state boundaries of Maryland and Virginia than elevate a district to a state.