Check some of the links in this post:

http://www.washingtonsblog.com/2011/...have-jobs.html

Summarizing a bit...

http://www.csmonitor.com/Business/Th...rs-are-over-40

28% of the protesters are over 40 and there is 15% unemployment among them (meaning 85% employed).

http://www.douglasschoen.com/pdf/Occ...las_Schoen.pdf

Meanwhile, only 56% of Tea Partiers are employed:
http://documents.nytimes.com/new-yor...s?ref=politics
This is admittedly skewed by 32% being retired.