President Donald Trump's net worth is currently estimated to be $3.1 billion, according to Forbes. Combine that with the individual net worths of the Trump children, and the entire Trump family is worth more than $4 billion. They spend their money lavishly, from a hefty real estate portfolio and an aviation fleet to designer clothes. Donald Trump's net worth is currently estimated to be $3.1 billion — down an estimated $400 million since he took office in January 2017, reports Forbes.