Originally, the city of Onamia was organized from the merger of two communities, the village of Onamia (Ojibwe: Onamanii-zaaga'iganiing) and the village of Ericksonville (Ojibwe: Gibaakwa'igaansing). Landmarks include Onamia Municipal Hall. Onamia is the birthplace of John E. Osborn, mathematician.
- CountyMille Lacs County
- Population784 (2020 U.S. Census)
- Historic places1 on the National Register




























Onamia Municipal Hall
A view of Onamia
A view of Onamia
A view of Onamia