How does Montgomery County stack up in the Census Bureau's List of most Affluent DC Counties?

Here’s the Census Bureau list of the counties with the highest median income:
1. Falls Church city, Va. $121,250
2. Loudoun County, Va. $118,934
3. Los Alamos County, N.M. $112,115
4. Howard County, Md. $108,234
5. Fairfax County, Va., $106,690
6. Hunterdon County, N.J. $103,301
7. Arlington County, Va. $99,255
8. Douglas County, Colo. $98,426
9. Stafford County, Va. $95,927
10. Somerset County, N.J. $95,574
11. Morris County, N.J. $95,236
12. Montgomery County, Md. $94,365
13. Prince William County, Va. $93,011

The Washington area has consistently reigned at the top of the most affluent counties, large part due to a large population with college degrees working at professional jobs.