The highest IQ was 228, according to Guinness Book of Records, this score belongs to the âsmartest' person in the world Marilyn vos Savant who scored it when she was 10 year old. This would, according to recent research, correspond to about IQ 185 at adult age.
The rest of the states on the list each have a white population of more than 90%. As for states with the smallest percentage of whites, Hawaii, Mississippi, Louisiana, Maryland, and Georgia comprise the top five. Here are the 10 states with the highest percentage of whites: Maine; Vermont; New Hampshire; West Virginia; Iowa; Wyoming; Idaho; Montana; Kentucky; North Dakota (Click for a list of 50 bizarre state laws.)
On average, the counties that voted for Obama twice and then flipped to support Trump were 81 percent white. Obama strongholds that supported Clinton were just 55 percent white. Of the counties that split their vote in 2008 and 2012, Trumpâs were 86 percent white and Clintonâs were 71 percent white.