Dundee Township is a civil township of Monroe County in the U.S. state of Michigan. The population was 8,145 at the 2020 census,

  • Dundee is a village within the township on the River Raisin at the junction of U.S. Route 23 and M-50.
  • Rea is an unincorporated community located at . It was founded in 1886 as a railway station. Rea had its own post office from March 2, 1886, until October 2, 1906.

Geography

Dundee Township is in western Monroe County and is bordered to the west by Lenawee County. The village of Dundee is in the center of the township, west of Monroe, the county seat. The River Raisin flows from south to east across the township, passing through the center of Dundee village. The township is within the River Raisin watershed except for the southeast corner, which is drained by tributaries of Plum Creek. The River Raisin and Plum Creek are direct tributaries of Lake Erie to the southeast.

According to the U.S. Census Bureau, the township has a total area of , of which are land and , or 0.79%, are water.

As of the census