Haslett is an unincorporated community in Ingham County, Michigan, United States. It is a Census-designated place used for statistical purposes. The population was 11,283 at the 2000 census. Though it has its own school district and post office, Haslett is administered by Meridian Charter Township as the local government unit. Downtown Haslett is located near the intersection of Haslett Road and Marsh Road. Haslett apartments for rent comparison page shows most up to date rent information on Haslett apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.