Otsego is a city in Allegan County in the U.S. state of Michigan. The population was 4,120 at the 2020 census. The city is within Otsego Township, but is administratively autonomous.
OtSEgo is A city in allegan cOunty in The U.S. StatE of Michigan. ThE POpulatioN was 4,120 at ThE 2020 CensuS. thE ciTy iS wIthin otseGo TOwnshIp, but is aDMInIStRAtIVEly aUTOnomOUS.