Top 25 Highest Income Counties

Top 25 highest-income counties by median household income (2006-2008) This data is average 2006-2008 from the American Community Survey of the United States Bureau of the Census. Of the top 25 counties, 11 are part of the Washington Metropolitan Area, 6 counties are part of the New York Metropolitan Area, and 2 counties are part of the San Francisco Bay Area. Rank County,Median Household Income, Population, Educational Attainment* 1 Loudoun County, Virginia $110,643 277,433 58% 2 Fairfax County, Virginia $106,785 1,005,980 60% 3 Howard County, Maryland $101,710 272,412 60% 4 Somerset County, New Jersey $103,227 321,589 53% 5 Hunterdon County, New Jersey $100,947 129,000 52% 6 City of Fairfax, Virginia $98,133 23,281 52% 7 Morris County, New Jersey $97,565 486,459 52% 8 Douglas County, Colorado $97,480 270,286 54% 9 Arlington County, Virginia $96,390 204,889 71% 10 Montgomery County, Maryland $93,999 942,747 59% 11 Nassau County, New York $93,579 1,352,817 45% 12 Stafford County, Virginia $89,536 120,219 36% 13 Calvert County, Maryland $89,049 88,126 30% 14 Prince William County, Virginia $88,675 358,719 38% 15 Putnam County, New York $88,580 99,195 40% *Based on bachelor's degree attainment (and above) for people 25 and older in the county