SEPTEMBER SCORES Most-stressed counties

A list of the 20 most economically stressed counties with populations over 25,000 and their September 2009 Stress scores, according to The Associated Press Economic Stress Index:

1. Imperial County, Calif, 33.51

2. Yuma County, Ariz., 25.82

3. Lyon County, Nev., 24.72

4. Clark County, Nev., 23.83

5. Nye County, Nev., 23.72

6. Merced County, Calif., 23.39

7. Yuba County, Calif., 23.29

8. San Joaquin County, Calif., 22.69

9. Lauderdale County, Tenn., 22.68

10. Wayne County, Mich., 22.5

11. Lapeer County, Mich., 22.44

12. St. Clair County, Mich., 22.42

13. Riverside County, Calif., 22.37

14. Dallas County, Ala., 22.17

15. Stanislaus County, Calif., 22.16

16. Macomb County, Mich., 22.02

17. Chester County, S.C., 21.48

18. Marion County, S.C., 21.4

19. Union County, S.C., 21.19

20. Lee County, Fla., 21.18