The IQs Of All Of Your Favorite U.S. Presidents

The President of the United States is supposed to be a brilliant leader, evaluator, diplomat, and economist. But, are the presidents really all that smart? Here are your favorite presidents’ IQs based on a variety of studies that have been conducted over the years. These studies make estimates on a number of factors including previously published assessments of IQ as well as intellectual brilliance and openness to experience, both believed to be important to intelligence.

Calvin Coolidge

Calvin Coolidge first started out of a lawyer in Massachusetts and became the governor of the state. Coolidge was a quiet man, and he was also one of the smartest people who set foot in the White House.

President Calvin Coolidge at Desk
Getty Images
Getty Images

Someone visiting the White House bet Coolidge he could make Coolidge say more than two words. Coolidge simply responded to the better, “You Lose.” Even though many people thought Coolidge was stupid because he was quiet, he was actually just soft-spoken and very thoughtful. His IQ is estimated to have been a perfect 130, meaning he wasn’t at genius level, but he was almost there.