6. Kansas
Diversity index: 7.3
This state has 12.5% of people who don’t have high school diploma at the age of 25 or older, while the percentage of people with attained bachelor’s degree is 31.3%. Moreover, Kansas has 74% of white population, 14% of Hispanic, 6% of African-Americans and only 2% of Asians. Also, the number of denominations is among the highest ones (9).