A suburb in Loudoun County about 30 miles from D.C., Sterling has a median household income of $87,160, according to Sperling's BestPlaces. In addition to being close to the capital, Loudoun County is home to such high-tech employers as Verizon Business, AOL (AOL), and Orbital Sciences (ORB), as well as engineering and construction company M.C. Dean, according to the Loudoun County Virginia Dept. of Economic Development. The median home value in the city was $315,600 in August, according to the Zillow Home Value Index, and the median sale price was $313,100 as of July 31.