Terminology and definitions
Income tiers
Lower income: Under $30,000 annual household income
Lower-middle: Over $30,000 to $70,000
Middle-upper: Over $70,000 to $150,000
Upper income: Over $150,000
Race and ethnicity
White: Single race, non-Hispanic
Black: Single race, non-Hispanic
Hispanic: Can be of any race
Asian: Single race, non-Hispanic