I live in Utah and have no problems finding models. I keep a few images of my work with me and when I find someone that fits what I am looking for, I simply introduce myself and if they are interested in speaking, I show them my work and tell them I am interested in shooting them.
I usually have a place and idea in mind. I tell them, if they are interested to bring a friend and I always have an assistant there, it reduces risk and makes most feel more at ease.
I make it clear up front on compensation, either trade for prints or a fee.
I donít shoot people very often but have had success with that approach.
Another idea is to post a want ad on message boards at colleges.