Darker-colored counties have a higher percent of their population 25 years and over with at least a bachelor's degree, and lighter-colored counties have a lower percent of the population 25 years and over with at least a bachelor's degree.
Darker-colored counties have a higher percent of their population 25 years and over who have at least have a high school diploma, and lighter-colored counties have a lower percent of the population 25 years and over who have at least a high school diploma.