Not sure how to measure success on Facebook? Start with 10 actionable Facebook metrics to show you how your content strategy is performing (or to help create a strategy), what your editorial calendar should be and where you should focus your effort to get more fans.
8. Active Users
Tells you how many people (fans and non-fans) have interacted with or viewed your page or its posts.
9. Gender and Age
Is your Facebook content targeted to the right audience? Using the correct tone and language for your demographic? If you understand the demographics of your fans, you will know the answers.
Look for active local markets for special promotions, test marketing, etc. Or even uncover new markets.