There aren't many surprises in the distribution of news sources consumed by age: not surprisingly, few young people read newspapers, and more young people read news online. The radio numbers are a bit odd:

Until you realize that the "bulge" in the middle corresponds nicely to the working age population that drives to work. If you want to know why there's an air of panic in the newspaper business, that 15% of 18-24 year olds tells the tale. Want to bet that it will be even lower in 5 years with the next age cohort?