Census Bureau: D.C. Suburbs Remain Nation’s Richest Counties Mikael Thalen Posted on September 15, 2017 Posted in Aggregated No Comments Tagged with government Eight of the 20 wealthiest counties with populations of 65,000 or more were also suburbs of Washington, D.C. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email