Richest counties in the US–Loudoun still number one

With a median household income of $125,900, Loudoun County continues to be the richest county in the nation. Other counties around DC are also among the top 20 richest counties  The federal government continues to make us rich. The top 20 richest counties in 2015, based on median household income, from the census bureau:

1. Loudoun County, Virginia $125,900
2. Falls Church City, Virginia $122,092
3. Fairfax County, Virginia  $112,844
4. Howard County, Maryland $110,224
5. Douglas County, Colorado $109, 926
6. Los Alamos County, New Mexico $107,126
7. Williamson County, Tennessee $104,367
8. Arlington County, Virginia  $104,354
9. Hunterdon County, New Jersey $102,797
10. Santa Clara County, California $102,191
11. Nassau County, New York $101,568
12. Morris County, New Jersey $101,754
13. San Mateo County, California $101,133
14. Marin County, California  $99,868
15. Fairfax City, Virginia $99,671
16. Prince William County, Virginia $99,206
17. Somerset County, New Jersey $99,059
18. Calvert County, Maryland $98,937
19. Montgomery County, Maryland $98,314
20. Forsyth County, Georgia $97,886

More here.