You're comparing two different metrics. Your source talks about household income, which is generally a measure of two primary incomes. You're comparing a single

You're comparing two different metrics. Your source talks about household income, which is generally a measure of two primary incomes. You're comparing a single income to two incomes. whatsmypercent.com utilizes some good datasets to build out income percentiles. They suggest that $100k/year puts in the the 96% percentile. The 80% percentile starts around $42k/year. That being said, it is kind of a long tail situation, due to the effects of wealth inequality in this country. The 99% percentile starts at $193k/year.