Police Chief Charlie Beck said at an early Wednesday news conference that the arrests were mainly peaceful and there were no injuries.
Beck says an initial search of the camp turned up no drugs or weapons.
More than 1,000 police officers raided the camp and dismantled what was left of the tent city that stood for two months.
Police in Los Angeles and Philadelphia stormed Occupy Wall Street encampments under darkness to arrest or drive out some of the longest-lasting protesters since crackdowns ended similar occupations across the country.
About 50 protesters were arrested in Philadelphia.