The four richest counties in the US, as measured by median household income, are in the Virginia and Maryland suburbs of Washington DC. We can thank the federal government for making us wealthy. Loudoun county is again on top with a median household income of $125,900 in 2015. Next was Falls Church City, Va., where median income was $122,092; Fairfax County, Va., where it was $112,844; and Howard County, Md., where it was $110,224.
According to the census bureau, nationwide the average median household income in 2015 was $55,755. That means the DC suburbs average more than twice the national average.
Of the top 20 richest counties in the nation, nine are Washington DC suburbs, with 6 of those being in Northern Virginia. From CNSnews.com:
Does being richer make the citizens happier? In many instances the answer is yes. Loudoun is both the richest county in the country and the happiest, from the Washingtonian.com:
