NBCSN finished with 5.22 million viewers for the race, up 11% from 4.7 million viewers last year – which at the time was also an NBCSN record – and up slightly from 5.2 million viewers on ESPN in '14. ESPN finished with 5.46 million viewers in '13. Sunday’s audience also is up from 5.06 million viewers in '12, but that race aired up against the London Games.
|% Viewers in
|NBCSN||NASCAR Sprint Cup||Sun.||5,217K||1,561K||29.9%||3.10||Indy|
*The key demographic is a term in television ratings that refers to the most desirable demographic group to a given advertiser. Key demographics vary by network, time of day, and programming type, but they are generally composed of individuals who are younger and more affluent than the general public: "Young adult viewers have been TV's target demographic for decades, because they're thought to have less brand loyalty and more disposable income.