Only two of the 10 counties with the highest median household incomes weren’t located on the East or West Coast, according to a Social Explorer analysis of newly released 2015-19 American Community Survey data. The three counties that had the highest incomes in 2010 – Loudoun, Va. ($142,299), Falls Church, Va. ($127,610), and Fairfax, Va. ($124,831) — all held the top three positions in 2019, as well.
Los Alamos County, N.M. ($121,324), home to one of the highest percentages of millionaires in the nation, ranked sixth, just behind the Silicon Valley counties of Santa Clara, Calif. ($124,055) and San Mateo County, Calif. ($122,641). Douglas County, Colo. ($119,730) ranked ninth, trailing Howard County, Md. ($121,160), and Arlington County, Va. ($120,071). Fairfax City, another suburb of the nation’s capital, ranked 10th ($116,979). Check out Social Explorer for the latest data on the median household income in your county.
Median Household Income, 2019. Click here to explore further.