7. Maine
Diversity index: 7.6
Another very diverse state in the USA is Maine. This state has only 8.9% of people without high school diploma. On the other hand, it has 27.9% of people who have bachelor’s degree. Its race diversity is interesting as well. 92% of the population are the whites! Moreover, there is only 1% of African-Americans, and 2% are Hispanic. However, the number of religious denominations is 9 for this state.
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