The hen houses are attached to the pen. Each hen house is 8'x8' . One wall in each house 8 best boxes and one wall there is 5 rail perch at a flat it is 6 foot long
Right now the limiting factor is roost space, more roost, more birds.
Strictly by sq footage your coops combined hold about a max of 32 standard size birds. Your run a max of 44. That could change depending on if the coop(s) eat up run space, if the coops lack sufficient ventilation, what breeds you plan on getting, etc.