This is doubly so if you're not in need of Google-caliber talent. Then you're not even directly competing with Google et. al. in the first place.
No matter what the actual number is, if your salary translates into a sales pitch that looks like "comfortably afford a 3-4 bedroom house in a beautiful neighborhood, and enjoy an easy 15 minute commute by car while your kids go to a safe, reliably decent public school nearby", then you're going to get people interested.
Relocating outside of major hyper-expensive tech hubs shouldn't be seen as a failure. It should be seen as opportunity. There are reasons to be in San Francisco, and there are just as many reasons not to be in San Francisco or anywhere close to it.