James K. Polk – 143.4
James K. Polk, the 11th President of the United States, served the nation from 1845 to 1849. He had an IQ of 143.4. Interestingly, his inauguration to the office was the first one to ever be broadcasted on the news via telegraph. Polk famously led the country to victory in the US- Mexican War. The U.S. saw territory expansion under his term thanks to the 1848 Mexican Cession and the Texas annexation.
James K. Polk
William McKinley Jr. – 143.4
From 1897 until 1901, William McKinley Jr. was the 25th President of the United States and had an IQ of 143.4. He was the last person to lead America during the Civil War and he also helped America win the Spanish-US war. When he was in office, the U.S. saw huge developments when Guam, the Philippines, and Puerto Rico all became territories. He was also well-received for his efforts to improve the economy, though he did not do a lot to seek equal justice for all American citizens.
William McKinley Jr.
