The Food Research and Action Center (FRAC) has a very informative piece of research in Food Hardship: A Closer Look at Hunger--Data for the Nation, States, 100 MSAs, and Every Congressional District.
Here in order are the metropolitan statistical areas (MSA) with the highest rates of food hardship in 2008-2009
1. Memphis; Tennessee, Mississippi, Arkansas
2. Bakersfield, California
3. Youngstown-Warren-Boardman, Ohio-Pennsylvania
4. Fresno, California
5. Orlando-Kissimmee, Florida
6. Riverside-San Bernardino-Ontario, California
7. Birmingham-Hoover, Alabama
8. New Orleans-Metairie-Kenner, Louisiana
9. Las Vegas-Paradise, Nevada
10. Greensboro-High Point, North Carolina
11. Miami-Fort Lauderdale-Pompano Beach, Florida
12. Oklahoma City, Oklahoma
13. Toledo, Ohio
13. Winston-Salem, North Carolina
15. Charleston-N Charleston-Summerville, South Carolina
15. Columbia, South Carolina
15. Los Angeles-Long Beach-Santa Ana, California
18. Little Rock-N Little Rock-Conway, Arkansas
19. Charlotte-Gastonia-Concord, North Carolina, South Carolina
19. Jacksonville, Florida
21. Baton Rouge, Florida
21. Knoxville, Tennessee
21. Tulsa, Oklahoma
24. Columbus, Ohio
24. Indianapolis-Carmel, Indiana