Government in Onondaga, MI Onondaga Twp Treasurer4756 Baldwin StOnondaga, MI, 492645176282654City OfCity Village Township GovernmentGovernment City Village TownshipGovernment OfficesHanover Village OfficeJonesville Village OfficeOnondaga Twp TreasurerRoxand Township Offices Show MoreSee AlsoCommunity ServicesCity, Village & Township GovernmentGovernment Offices