new research Center for Responsive Politics analysis the CRP reported $1 million passed the one-million-dollar mark 534 members Center for Responsive Politics millionaires which is just over $1 million millionaires A small majority of those in Congress are millionaires OpenSecrets.org passed the one-million-dollar mark 534 members $1 million 2015 survey by the Center for Responsive Politics over $1 million average wealth over $100 million Center for Responsive Politics new research