The number of product management jobs has decreased by 19% since April 2007.  The good news is that the number of job postings per capita in San Jose, CA is the highest in the country according to Indeed.  Also, there are more product management positions posted than product marketing or other outbound marketing disciplines.

Product Management, Product Marketing, Product Manager, Product Marketing Manager trends

According to Simply Hired, average Senior Product Manager salaries in Silicon Valley is $121,000.  Indeed states that the average Senior Product Manager salary of $117,000 for job postings in San Jose, CA is 17% higher than the nationwide.  I should hope so given our cost of living here in Silicon Valley.

For additional salary information taking into account years of experience and industry, I recommend visiting PayScale.