The Business Journal determined the wealthiest zips my measuring average disposable income and average net worth.
Bethesda’s 20816 zip, made up mainly of single family home neighborhoods west of River Road and south of Goldsboro Road, came in at No. 12 with an average disposable income of $153,242 and net worth of $1,534,989.
Their neighbors to the north in the 20817, which includes the area of Westfield Montgomery Mall and extends to Potomac, were ranked as the No. 16 wealthiest area zip with an average disposable income of $149,333 and net worth of $1,522,879.
Great Falls in Virginia took the wealthiest zip code ranking with an average net worth of $1,890,528. Potomac’s 20854 came in No. 3, Garrett Park’s 20896 No. 6 and Cabin John/Glen Echo’s 20818 No. 9.
Chevy Chase and its 208515 zip code was ranked No. 38 with an average disposable income of $136,635 and net worth of $1,259,215.