The average American consumer has 3.1 credit cards

The average American consumer has 3.1 credit cards with a total balance of $6,354, plus 2.5 store credit cards, with another $1,841 on those. With the average credit card APR at 16.75% as of early June, according to CreditCards.com, a consumer who takes two years to pay off those balances — without adding to them along the way — would pay $1,505 just in interest.