As an unincorporated community, Whittaker has no legally defined boundaries or population statistics of its own but does have its own post office with the 48190 ZIP Code.

[1] The community is located about 25 miles (40 km) southeast of Ann Arbor in the southeastern corner of Washtenaw County.

[4] The area was originally referred to as Augusta Center, when businessman Frank Whittaker opened a general store near a railway line around 1860 after moving a few miles south from the community of Willis.

In 1880, the community was given a train station on the Wabash Railroad, which allowed for easy export of lumber and other goods directly to Detroit.

[5][6] The community of Whittaker received its first post office on January 9, 1882 with William Bishop serving as the first postmaster.