This is a marketing research study from Experian Research Services (a leading chronicler of the American consumer for over 50 years). My curiosity peaked due to the halftime music controversy, haha.

A profile of NFL fans at Super Bowl time

Gender
Males 64%
Females 36%
Age
35-44 21%
45-54 20%
25-34 18%
65+ 16%
55-64 15%
18-24 10%

Race
White 83%
African American 9.5%
Other race 4.5%
Asian 3%

Smokers v. non
Smoker 19%
Non 80%
No response 1%

Political affiliation
Registered Republicans 41%
Registered Democrats 38%
Registered Independents 13%
Registered Other 6%
No response 2%
Registered Republicans are 21% more likely to be NFL fans than registered Democrats.

Internet activities in the last 30 days*
Used email 61%
Read News/Weather 39%
Online banking 31%
Made travel reservations 28%
Read Sports 21%

NFL fans are 44% more likely than the average American to have looked up financial information or stock trading online in the last 30 days.

NFL fans are 37% more likely than the average American to have played online gambling in the last 30 days.

NFL fans are 27% more likely than the average American to have written or read a blog in the last 30 days.

NFL fans are 23% more likely than the average American to participated in an online auction in the last 30 days.

Participated in this sport at least once in the last 12 months*
Fitness/exercise walking 45%
Swimming 42%
Billiards/pool 28%
Bowling 27%
Basketball 25%

NFL fans were 59% more likely than the average American to have played Golf in the last year.

NFL fans were 58% more likely than the average American to have played Football in the last year.

NFL fans were 53% more likely than the average American to have played Softball in the last year.

NFL fans were 41% more likely than the average American to have played Baseball or basketball in the last year.

NFL fans were 39% more likely than the average American to have gone snow skiing in the last year.

Alcoholic Beverages*
Drink light beer 37%
Drink regular beer 34%
Drink imported beer 32%
Drink Vodka 29%
Drink Rum 24%