Columbia Township, located on the Northwest border of Tuscola County, is blessed with nearly 24,000 acres (38 square miles) of prime agricultural land. The township includes the Village of Unionville and has a population of 1,419 as of the 2010 census.  Columbia Township is a quiet, rural community that is within close proximity to many major cities such as Caro, Bay City, and Saginaw areas.  It falls within the school districts of Unionville-Sebewaing Area Schools, Akron-Fairgrove Schools, Cass City Schools, Owendale-Gagetown Schools, and Caro Schools.

The Township of Columbia was organized of December 31, 1855 taking part of Indianfields Township and designating it as Columbia, in honor of Columbia, Pennsylvania, from where many of the early settlers had come.  Upon establishment, it included the settlements of Colling, Ashmore, Colwood, Columbia Corners and Unionville.
Office Hours
The township does not hold specific office hours but can be contacted by phone or email.  Township representatives will respond as promptly as possible to assist you with any needs or concerns.  
Click Contact Us at the top of page to send an email to Board of Trustee member.
 Click Board of Trustees for a listing of board members and phone numbers.


PLEASE BE NOTIFIED that the Columbia Township Planning Commission
will hold a public hearing on Tuesday, the 9th day of August 2022 at 7:00 p.m.
at the Columbia Township Hall at 6456 Center St., Unionville, MI 48767.
The purpose of this public hearing will be to consider a proposed Caregiver
Cultivation of Agri-Business Zoning Ordinance Amendment for the Township of
Columbia. Copies of the proposed Zoning Ordinance Amendment may be
obtained from the Township Clerk by calling 989/280-9602.
All interested persons are encouraged to attend this public hearing. Any
opinions you have on the proposed amendment can be presented at the public
hearing or may be submitted in writing to the Township Clerk at the above
address prior to the hearing.
Christine Kolar
Columbia Township Clerk  

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