In 2018, the median household income in Washington DC was $85,203.  Between 2017 and 2018 the population grew by 1.22% and its median household income grew from $82,372 to $85,203, a 3.44% increase.
Some experts argue the salary you need to live in Washington DC comfortably is $143,000 if you’re a homeowner and $122,900 if you are renting.