The St. Louis Fed has published two maps showing state averages
for overall amount of student debt and delinquency rates on
repaying it.  A high delinquency rate is bad news because it
makes it harder for the student to get credit in the future,
which leads to a higher likelihood of the student defaulting on
other kinds of debt.  Here's the map for highest average student
debt.   And here are delinquency rates:  The redder states in
the second map are probably facing a tough future.