They used slogans like "hands up, don't shoot", "no justice, no peace" and "shut the whole system down" in a second night of protests since a controversial grand jury decision that has reignited simmering racial tensions in the United States and widespread concerns of police brutality.
"This decision and so many others like it across the nation shows that law enforcement can use unwarranted deadly force without fear of discipline," the Don't Shoot Coalition has said in a press release.
"Communities around the country face this same injustice and have decided it is time to demand change, work for change and make the change happen," the organization's press release said.
Garner, 43, was a street peddler selling untaxed cigarettes. An overweight asthmatic, Garner died from suffocation after being put in a chokehold by police officer Daniel Pantaleo in July. A cell-phone video of the arrest went viral on the Internet.
The United States saw another wave of race-related unrest only last week over the decision not to indict another white police officer, Darren Wilson, who shot dead unarmed African-American teenager Michael Brown in Ferguson, Missouri, in August.