Dexter Township is a civil township of Washtenaw County in the U.S. state of Michigan. The population was 6,696 at the 2020 census. The city of Dexter is located to the southeast but does not border the township, and the two are administered autonomously.

Washtenaw County is a county located in the U.S. state of Michigan. At the 2020 census, the population was 372,258. The county seat and largest city is Ann Arbor. The county was authorized by legislation in 1822 and organized as a county in 1826. Washtenaw County comprises the Ann Arbor Metropolitan Statistical Area. The county is home to the University of Michigan, Eastern Michigan University, Washtenaw Community College, and Concordia University Ann Arbor.