I found this interesting
https://www.investopedia.com/financial-edge/0912/which-income-class-are-you.aspx
The Upper Middle Class
According to census data from 2015, 6.1% of households bring in $200,000 and higher every year and 14.1% bring in between $100,000 and $150,000. This is the upper middle class.
An Urban Institute paper argued that what they referred to as upper middle class, or those with a three-person household income between $100,000 and $350,000, has grown from 12.9% of the population in 1979 to 29.4% in 2014. It found that people with higher incomes saw their earnings grow faster than those with lower incomes.
My gf and I (whom live with) make a combined $165,000 a year.... funny they consider that "upper middle class" All that basically mean in San Diego is that we can afford to buy a house here. Considering the median home price here is $550,000, that income bracket doesn't really mean shit.
Think about that, two people earning $50,000 each annually in a home is upper middle class accoring to these people lol.