The Nationalist Party was founded in Delaware in 1845 by group of eleven men and soon began to grow rapidly. By 1850, the organization had a membership base of 15,000 people. Many found the growth of the party was too slow and the leaders were too weak, but that would all change after a new member registered. In 1865, John J. Walker, state senator candidate for Virginia, won by 50.8% of the votes and ran for state senator. After Walker won the election in 1866, the year after he became the senator. By 1900, 25% of voters are member of the Nationalist Party.
Currently, the Nationalist party is the second biggest party in the United States of America.
The individual ideologies of Nationalist Party members range from moderate conservative to hardcore white supremacist.