North Dakota in the Upper Midwest ranks among the top 5 smartest states with the highest average IQ. It is one of the least populated states in the US and it has an estimated state IQ score of 101.7.

So, just how smart do you think Delawareans are? The state's average IQ ranking might surprise you. According to a study by data accessibility website Data Pandas, the First State ranks 28th in the ...

Mississippi, in the Southeastern region of the US, tops our list. With an IQ score of 95.8 and a well-being score of 83.4, Mississippi has the lowest average IQ and well being scores. Out of the 50 US ...