Wealthiest united states counties?

Question

list of the top ten wealthiest counties in america

Answer 1

How is this even a travel question and how does it relate to Detroit?

Answer 2

Here's the household income measurement:

http://en.wikipedia.org/wiki/Highest-inc...

Answer 3

I am not sure how this question relates to traveling to Detroit, Michigan, but the 20 wealthiest counties in the United States of America are as followed;

1. Fairfax County, Virginia

2. Loudoun County, Virginia

3. Howard County, Maryland

4. Hunterdon County, New Jersey

5. Douglas County, Colorado

6. Somerset County, New Jersey

7. Morris County, New Jersey

8. Montgomery County, Maryland

9. Arlington County, Virginia

10. Nassau County, New York

11. Stafford County, Virginia

12. Calvert County, Maryland

13. Forsyth County, Georgia

14. Putham County, New York

15. Marin County, California

16. Williamson County, Tennessee

17. Santa Clair County, California

18. Prince William County, Virginia

19. Alexandra City, Virginia (not a Country but an independent city)

20. Charles County, Maryland