The movement's initial October 6 March drew an estimated 10,000 to Pioneer Courthouse Square. The protesters later set up an encampment in the Plaza Blocks Park near Portland City Hall. The Plaza Blocks include Lownsdale Square on the north side and Chapman Square to the south, which were the focus of the encampment.
On November 10, Portland mayor Sam Adams gave the protesters a deadline to clear out of the park by 12:01 AM on November 13. The order was given in response to rising crime rates and police overtime costs. It was reported in February 2012 that police overtime pay for policing Occupy Portland activities has amounted to approximately $2 million USD. The tent city that was the physical base of Occupy Portland was dismantled by the Portland Police on November 13. However, the eponymous organization behind Occupy Portland has continued to plan acts of civil disobedience. On December 12, Occupy Portland led a picket that successfully shut the Port of Portland for the day.