Here is a website that will give you a good definition of homophobia:
http://www.religioustolerance.org/hom_fuel.htm#what
You want statistics, here is a website where you can find them:
http://www.now.org/issues/lgbi/stats.html
I understand that this site is from the National Organization of Women's website and that this organization backs the "gay agenda", however, the statistics are accurate.
I have had personal experience with homophobes, not all Christian, but all with an irrational fear of a condition they do not understand.