Consumer credit increased by $17.2 billion, or 6.5%, in June to $3.211 trillion, the Federal Reserve reported Thursday.
In May, consumer credit rose $19.7 billion, or 7.4%, to $3.194 trillion.
Revolving credit outstanding in June climbed to $873.1 billion from $872.1 billion the previous month.
Non-revolving credit rose to $2.338 trillion from $2.322 trillion.
The consumer credit increase was less than the median $18.5 billion rise projected by economists polled by Thomson Reuters.
Revolving credit includes credit card debt. Non-revolving debt includes automobile loans, loans for mobile homes, education, boats, trailers, or vacations.