http://cnsnews.com/news/article/terence-p-jeffrey/census-dc-suburbs-dominate-wealthiest-list-falls-church-va-where-31
City of Falls Church is for the wealthy
....County..................................Median Household 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.....................................$95,57