Display home page based on keywords

Hi,

Is there a way to display a page based on keywords searched?

For example, I am doing a local SEO services business for local companies and I would like for those searching in Ogden to come to a page that shows Ogden Local SEO Services and Layton to show Layton SEO Services, etc.

I know this is difficult to rank for in search engines, but perhaps another thing to do would be to have several pages, one for each city and rank for each separately.

Any thoughts? Sound like a good idea? Bad idea?

Thanks for your help.

Neal