Tecumseh is a small city in Lenawee County of the U.S. state of Michigan. It is situated where M-50 crosses the River Raisin, a few miles east of M-52. Tecumseh is about 60 miles SW of Detroit, 25 miles south of Ann Arbor and 40 miles north of Toledo, OH. As of the 2000 census, the city population was 8,574. The city is surrounded on three sides by Tecumseh Township, but is politically independent. Raisin Township borders the southern edge of the city.