>It might be more informative to see how many men actually use their sports betting accounts.
A sibling poster posted a link to Siena survey that has related betting statistics. For males the percentage that "have accounts" vs those who "had accounts" is 30% and 6% respectively. You see similar ratios in the age breakdowns. Therefore it's safe to say that around 40% of males below 50 "have" betting accounts.
It would be difficult to loosely follow any major league sport and not know it was legal, regardless of age. The ads have been everywhere. These companies have user acquisition costs well over $100.
If you didn't know it was legal, you're probably well outside the target audience.
A sibling poster posted a link to Siena survey that has related betting statistics. For males the percentage that "have accounts" vs those who "had accounts" is 30% and 6% respectively. You see similar ratios in the age breakdowns. Therefore it's safe to say that around 40% of males below 50 "have" betting accounts.