You can't know without going to the doctor.
Chances are, though, that she doesn't have HIV. Most people don't.
She could, however, have another std, like chlamydia, herpes, warts, etc. Those are FAR more common than HIV is.
You should be tested for stds.
Aj
Go get tested after 3 months after having sex with the girl. If she has any STDs you could be infected. Go get checked for STDs too.