Are you actually trying to use a time series starting before Millennials were even born to try to prove a point about financial situations today? On top of trying to apply median household numbers at the national level to a single cohort? Please stop. Look at actual data like [1]. Or at least look at the whole picture like [2] instead of cherry picking income data and acting like you can just stop there.
[1] https://news.stanford.edu/2016/12/08/todays-children-face-to...
[2] https://www.cnbc.com/2019/01/11/millennials-households-earn-...