Okay, I fibbed in the title a little bit. He didn't say that, but it what he did say was just as stupid.
He claimed we're one of the largest Muslim nations in the world.
Just look at these stats from ChurchvState.
So, yeah. I wouldn't hold my breath waiting for SNL to use my "I can see Mecca from my house!" line, but someone should point out that we may have elected a political pretty-boy devoid of intellectual prowess who just makes stuff up when the teleprompter doesn't feed him his lines.