They yelled "not in our Durham," "I believe that we will win," "No Trump, no KKK, no fascist U.S.A." and other chants while marching and standing in front of the courthouse.
Counter-protest organizers said they received notice that Ku Klux Klan members and white supremacists planned to protest in front of the courthouse at noon.
SpiritHouse, a community organization aimed at spreading dialogue about Black community issues, tweeted, "KKK MARCHING THROUGH DOWNTOWN DURHAM (they have been spotted they are armed and on their way). MAKE CHOICES THAT ARE BEST FOR YOU STAY SAFE" on Friday morning.
The Durham County Sheriff Mike Andrews encouraged people to rely on verified information.
"We are urging the public to avoid circulating rumors on social media and instead wait for verified information from officials monitoring the situation," Andrews said in a statement.
The city of Durham also tweeted about relying on verified information.
They tweeted, "#donotspreadrumorsdurham."
They also tweeted, "NO EVENT PERMIT HAS BEEN GRANTED TO ANY GROUP BY @DurhamPoliceNC. #StopTheRumorsDurham"
Police shut down East Main Street in front of the courthouse in anticipation of the march.
Protesters said there were isolated sightings of the KKK, but there were no large, white supremacist groups.
No violence or arrests were reported.
Drummers came out about an hour into the protest. Counter-protesters danced in a circle in front of the courthouse.
UNC students protested with the Southern Vision Alliance, the Inside Outside Alliance, the Youth Organizing Institute and other groups.
UNC senior history major Michael Purello said he went because a friend called him about it Friday morning. He said he went because he is concerned about the recent public presence of white supremacist groups.
Justin Williams, a third year law student at N.C. Central University said he thought the counter-protest was a step in the right direction.
Protesters met in front of the courthouse Monday to pull down the Confederate statue that was there.
Friday's protesters made references to Monday's events. Organizers asked protesters to support the eight people arrested in relation to the statue.
2016 UNC graduate student Libby Weimer held a sign that said "End white supremacy."
Protesters moved to the Durham Co-op Market on West Chapel Hill Street to discuss their next steps around 2 p.m.
They said one of their main goals is to be more critical of information they get and to not act on rumors. They asked people to follow Defend Durham on Facebook for more information.
Assistant State and National news editors Bailey Aldridge and Becca Heilman contributed reporting.