2. Washington, D.C.
Metro population: 5.6 million
Concentration of nillionaires: 8.8 percent
Number of millionaire households: 191,603
Median income for all households: $89,826
Median home value: $384,000
D.C.’s wealth may spill onto the shores of Maryland, but plenty of millionaires opt to sit directly atop the nation’s seat of power. The Washington metro area is home to the greatest number of millionaire households on this list and ranks among the top five areas in the nation for the most millionaires. In D.C. proper, you can find many moneyed residents, including high-profile politicians, lobbyists and government contractors, living in the townhouses of Georgetown and Capitol Hill. In the surrounding suburbs of Arlington, Va., and Bethesda, Md., residents enjoy median household incomes of $102,459 and $141,817, respectively. They also endure high living costs, with median home values of $577,300 and $805,900.
- MSN Money: America’s happiest and most miserable cities