About
Census-designated place in Michigan, United States
Haslett is a census-designated place (CDP) in Ingham County in the U.S. state of Michigan. It is located mostly within Meridian Charter Township with a small portion extending east into Williamstown Township. The population was 19,670 at the 2020 census. Haslett contains its own school district, as well as its own post office with the 48840 ZIP Code.
From Wikipedia (CC BY-SA 4.0)