The majority of the smartest Americans have decided that the Northeast is the place to be. Or California, because everyone wants to live in California.
Zippia, a career site, has a young analyst Chris Kolmar, who's good at querying the data and developing rankings. To develop this "heat-map" of higher IQ places, here's what he did:
We set upon the percentage of adults (over 25) with at least a college degree and the percentage of current high school dropouts (aged 16-19). We then crunched the [U.S. Census] numbers and were left with this set of the brightest states America has to offer.