This recent Nielsen data was released that reports the US game console usage by age over the period of April 2007 through February 2008.  Data shows the PlayStation 3 and Xbox 360 dominating the Wii in average usage per day in both demographics.  

Here is some additional data:

• The console household universe has grown 18.5% since fourth quarter 2004, compared to a 1.6% growth in the total universe of television households.  
• Two-thirds of all Men aged 18-34 have access to a video game console in their home.  
• The universe of connected console households (households subscribing to a service to connect their console to the internet) has grown to more then 4.4 million households, even before the newest Playstation 3 and Wii consoles are considered. 
• In the NTI (Nielsen Television Index) fourth quarter of 2006 (9/18/06-12/31/06), 93.8 million US Persons aged two and older used a video game console for at least one minute. 
• In any given minute, approximately 1.6 million US Persons aged two and older are using a video game console. 
• The heaviest console users accounted for 74.4% of all console usage and averaged 345 minutes (5 hours and 45 minutes) of usage per usage day during the fourth quarter of 2006. 

 
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