In May 2012, America has over 30,000 Internships and 120,000 Summer Jobs listed for people of ages 14 through adult.
Many jobs are grabbed up for summer during winter months, particularly in January through March. However, in 2012 new summer jobs and internships keep popping up in large numbers.
Check the link above and see where you can apply for summer job or a second job, if you need one.
If you need a review of jobs in your area, just leave me a comment and I will be glad to have a look!