Question: What a U.S. census-designated place and an unincorporated area in Montgomery County, Maryland who's residence generally identify as living in the most affluent town in all the United States based on median household income ?
Sentence (from "Potomac, Maryland"): In 2013, CNNMoney.com listed Potomac as the most affluent town in all the United States based on median household income.
Relevant evidence: Yes