Population: 277,433 Median Household Income: $110,643.00 Percent of Residents 25 or Older with Bachelor’s Degree or Higher: 58 Fairfax County, Va. Population: 1,005,980 Median Household Income: $106,785.00 Percent of Residents 25 or Older with Bachelor’s Degree or Higher: 60 Howard County, Md. Population: 272,412 Median Household Income: $101,710.00 Percent of Residents 25 or Older with […]