My household has one income and 5 people. Many of my colleagues' households have one income and one person, or 2 households and 2 incomes. However, we're far

My household has one income and 5 people. Many of my colleagues' households have one income and one person, or 2 households and 2 incomes. However, we're far above average household and per-capita income, even for the Bay Area. I think a good set of metrics to measure what household income is trying to measure would be income-per-employee, incomes-per-household, and household size.