All 11 shooting victims were transported to district hospitals after receiving non-life-threatening injuries, a statement from the Grand Rapids Police Department said.
Police have not identified any suspects in the four shootings.
In Grand Rapids, seven of the 11 victims were shot dead in a hookah saloon shooting early Sunday morning, police spokesman Raul Alvarez confirmed to CNN.
Approximately 20 rounds were fired at the scene and the victims of the shooting did not cooperate with police, the statement said.
Two victims were shot dead in “the same common neighborhood”
On Friday, the Grand Rapids Police Department said it was offering a gun repurchase program to reduce violence in the city.