This article on MMM (Medical Marketing and Media) talks about salaries 24th annual MM&M Career & Salary Survey. In a nutshell, salaries went down in the medical marketing industry in 2009. Not a surprise, given that we're in a recession and many pharmaceutical companies are feeling the effects of the recession trickle down to patients and their medications. Then, in 2010 those average salaries went up by 5.4% to $129,200.
As for job satisfaction, 29.6 % report they are “thoroughly satisfied” with their job vs. 25.9% in 2009. Only 7.4% report that they are “not satisfied” with their position.
You can read the article here on MMM.