Top 500 Most Expensive Zip codes

20854 POTOMAC MD

Potomac is a census-designated place (CDP) in Montgomery County, Maryland, United States, named for the nearby Potomac River. In 2013, CNNMoney.com listed Potomac as the most affluent town in all the United States based on median household income.

POPULATION:Estimated zip code population in 2011: 49,088
Zip code population in 2010: 49,611
Zip code population in 2000: 46,255
INCOME:The income per capita is $85,960, which includes all adults and children. The median household income is $191,200.