Upper class: Married, college completing, has domestic support at least part time or extensive use of internet-based equivalents. Household income range is 200-450k. 95% white and Asian, 5% black and Hispanic. 6 million households.
Upper middle class: Married, college educated (mostly completing, but a substantial minority of “some college” households). Household income range is 100k-200k. 90% white and Asian, 10% black and Hispanic. Lifetime number of children is 1-4. 16 million households.
Middle class: Singles with their act together, single parents who make more than 50k/yr. Retired married couples. 25 million households.
Lower middle class: Hispanics (particularly 1st and 2nd generation immigrant), non-college white and black married couples. 34 million.
Lower class: Singles who can’t get it together, single parents who don’t work. 40 million.
This is a draft. The numbers are pretty close to the total households in America though. Peel away, it’s a pretty big onion.