The financial basement to make this year's list was a net worth of $2 billion.
Trump also spent $US66 million on his 2016 presidential campaign win over Hillary Clinton.
The much-discussed (by him) Trump net worth is said to be $3.1 billion.
America's richest may be getting richer but President Donald Trump's fortune has slid by $600 million to $3.1 billion, according to a list of 400 billionaires released by Forbes magazine on Tuesday.
As a result, President Trump's ranking is now at No. 248 on the list, after coming in at 156 previous year.More news: Porn publisher offers up to $10 million for dirt on Pres
Second on the list of Washington-area billionaires is Washington Nationals owner and longtime real estate tycoon Ted Lerner, worth an estimated $4.9 billion.
In an interview with Trump published in Forbes Oct. 10, the article's author alluded to the president's lengthy history and fixation with the list.
Forbes has been following Trump's tremendous fortune since 1982, when the 400 wealthiest rundown appeared.
Trump's business empire continued to run despite his ascendancy to the White House after he beat Hillary Clinton in the 2016 elections.
Forbes reports that Trump's most valuable assets remain New York City real estate holdings at $1.6 billion, followed by his golf course and resort properties valued at $570 million, and then non-New York real estate at $500 million. Amazon's Jeff Bezos, worth $81.5 billion retains the No 2 spot for the second consecutive year, the magazine reported.