This is a good note to make
This is a good note to make. I also don't feed or water inside the henhouse, so they don't poop much in there except overnight.
Dang. You're doing it all right. Maybe you would just be happier with a lovely little flock of 6 girls and no boy? It seems that the amount of cleaning is putting a damper on your amount of enjoyment from your flock. Let's turn that around.
I'll give you my person answer and then some other ideas:
My answer: I would start chowin' down on some chicken to lighten the load on the coop (fewer birds = less poop). Although you're doing OK based on square footage, it is a lot to clean.
Better answer: Free range them out into the...