Jefferson Township is a civil township of Hillsdale County in the U.S. state of Michigan. The population was 3,063 at the 2020 census. The township was created by the state legislature in 1837, and it was originally called Florida Township. It was renamed to Jefferson Township in 1849.
Established: 1837
Elevation: 1,060 ft (323 m)
Country: United States
State: Michigan
County: Hillsdale
ZIP code(s): 49242 (Hillsdale) · 49266 (Osseo) · 49271 (Pittsford)