Terminix recently published it's most infested cities list:
1. Cleveland, Ohio
2. Cincinnati, Ohio
3. Detroit, Mich.
4. Las Vegas, Nev.
5. Denver, Colo.
6. Houston, Texas
7. Phoenix, Ariz.
8. Indianapolis, Ind.
9. Oklahoma City, Okla.
10. Philadelphia, Pa.
11. Baltimore, Md.
12. Pittsburgh, Pa.
13. Washington, D.C.
14. Tucson, Ariz.
15. San Francisco, Calif.
16. St. Louis, Mo.
17. Atlanta, Ga.
18. Tampa, Fla.
19. Memphis, Tenn.
20. San Diego, Calif.
Number 13 it predictable, because of the poly ticks there!