I have lost the source for these but here they are. I did find an infographic with the same stats though. These are from 2009/2010:
– 15 Billion $ industry (70 billion by 2015)
– 20 million xbox live players have spent 17 billion hours on it
– 58% Male/42% female
– More people spend time on games than email. The only electronic thing they spend more time on – social networking
– 5,901 Years…Spent Online In Halo: Reach’s First Week
– 3.3 Million…Day One Sales Of Cataclysm
– $650 Million…In First Week Of Black Ops Release
– 54% of gamers play online an average of 8 hours a week
– Average age: 25-44
– Average income: 35k-75k