I have aesion on obtaining an FHA mortgage… Would greatly appreciate your advice?

In a low income area, would they approve me for a mortgage on a $20k house? I'm not sure of the process… What I think is true, is that, FHA will approve a mortgage that low, but it might be hard to get a lender to do it. If this is true, would I be much more likely to find a lender to approve such a loan in a low-income area where a $75k house is the avg. Price?

Read more: I have aesion on obtaining an FHA mortgage… Would greatly appreciate your advice?