"Bloomberg Businessweek" labeled Potomac as the twenty-ninth-richest zip code in the United States in 2011, stating that it had the largest population of any U.S. town with a median income of more than $240,000.In 2012, The Higley Elite 100 published a list of highest-income neighborhoods by mean household income, which included four neighborhoods in Potomac; one of these neighborhoods, "Carderock-The Palisades" was ranked the highest-income neighborhood in the United States, followed by "Beverly Hills-North of Sunset" in Beverly Hills, California and "Swinks Mill-Dominion Reserve" of McLean, Virginia.