Here is a map from Business Insider that lists the most popular television that is set in every one of the 50 states.

Here is how they came up with their selections:

Selections were based on each show's longevity, audience and critical acclaim using info from IMDB/Metacritic, awards, and lasting impact on American culture and television.

Arguing over this will sure beat listening to everyone tell me what a horrible movie Pacific Rim was.