According to the ABA, to have adequate representation for any given population, the ideal number of lawyers per capita is somewhere between 4 and 5 to 1,000 people. As you will see in this month's mapplication, only some states meet this threshold.
Since most lawyers tend to be clustered around more populated urban centers, much of our country exists in a 'legal desert,' where there may not be a lawyer in a given county, or even any of the surrounding ones.
Want to know where the 'legal oasis' is in the US? Try looking at the stats for the Nation's capital...