The list author says: "I have 4 Democrats, 4 Republicans, a Democrat/Republican and a Federalist on my list so it I think it is balanced. Presidents who served less than 6 months not considered. I've also done lists of the Worst 10 Presidents and another on the other presidents."
"Very underrated president who accomplished his major goals in one 4 year term. Democrat.He wisely realized that we needed to take land from the Brits and Spaniards for our security and no other President could match Polk in the acquiring land dept."