Data from 3,139 counties in the U.S. Quintiles are cohorts of counties ranked by the percentage of people living with poverty. Quintile 1, the wealthiest quintile, includes 630 U.S. counties with a mean county poverty rate of 8.2% (median household income, $56,259). Quintile 5, the poorest quintile, includes 629 counties with a mean poverty rate of 25% (median household income, $32,679). A: County age-adjusted obesity rates by poverty quintile. B: County obesity rates vs. county leisure-time sedentary rates (sedentary adults are those who report no physical activity or exercise other than at their regular job). C: County sedentary rates. D: Age-adjusted diabetes rate by poverty quintile.