You can date me

You might consider taking a closer look at your statement "but have low self esteem from the last relationship" - First, you're declaring that you're down. This is not a terribly good place from which to jump into another relationship. Second, you've assigned responsibility for being down to the nefarious previous relationship. This is the stance of a victim. Each person is responsible for their thoughts and the accompanying feelings they experience. The distortion is to try and assign these things away to another person, another relationship, racial prejudice, terrorism, blah, blah, blah.... In the first and second points, you are nursing a false identity. To the degree that you believe these things about yourself, you might consider stepping back a bit and finding some quiet time. Without releasing this fiction, you are beautifully positioned for another disastrous encounter. Instead of finding the right guy, perhaps learn to love yourself first; seeing yourself as whole, innocent, and perfect, which are merely thoughts, will lead you to relationships that reflect that seeing.... -Nash- http://www.emergentthoughts.com/

You would transfer colleges because of a guy? Low male population or not, don't transfer unless that's what's best for you in all respects (including academically).

If and when you'e ready, I've always thought the best place to make friends (and I imagine you want someone first and foremost who will be your best friend)is by participating in activities that you really like to do, like hiking, sailing, etc., whatever you used to enjoy in the past. Now might be the time to get back into doing things like that. Good luck to you.