Eight were arrested on suspicion of curfew violations, 13 for failing to disperse, and four for conspiracy and burglary.
Police arrested 25 people in Anaheim on Monday night during largely peaceful protests over the death of George Floyd that drew hundreds of demonstrators.
The Anaheim Police Department reported Tuesday that 23 adults and two juveniles were arrested the previous evening related to the demonstrations.
Eight were arrested on suspicion of curfew violations,13 for failing to disperse the scene of an unlawful assembly, and four for conspiracy and burglary after police allege they were trying to loot the Northgate Market on La Palma Avenue, near Harbor Boulevard.