Primarely English, also Spanish, French and others
Christianity (Protestantism, Catholicism and others), Judaism
The People of the United States of America are the people who mainly inhabit the nation mentioned theretofore. They are sometimes called "Americans", however this can refer to any people who inhabit The Americas/America, Usonian is more correct but not commonly accepted. Other terms that are sometimes used to refer to them are USian, USAian, United Statesian, US Americans and United Americans.