St. Peter Parish in Eaton Rapids, Michigan

North: Intersection of the western boundary of Windsor Township and Vermontville Highway; Vermontville Highway east to the western boundary of Ingham County; the western boundary of Ingham County north to Holt Road; Holt Road east to Onondaga Road.

East: Onondaga Road south to Kinneville Road; Kinneville Road east to the eastern boundary of Onondaga Township; Onondaga Township eastern boundary south becoming the eastern boundary of Tompkins Township the eastern boundary of Tompkins Township to Roth Road as extended east (the southern boundary of Sections 13, 14, 15, 16, 17 and 18 of Tompkins Township).

South: Roth Road as extended west becoming Pope Church Road; Pope Church Road west becoming M 99; M 99 west (till it turns south) becoming Landon Road; Landon Road west to the western boundary of Jackson County.

West: The western boundary of Jackson County north to the western boundary of Hamlin Township in Eaton County; the western boundary of Hamlin Township north becoming the western boundary of Eaton Rapids Township becoming the western boundary of Windsor Township; the western boundary of Windsor Township north to Vermontville Highway to the point of the beginning.

All Latin Rite Catholics living within the above described territory are considered members of St. Peter Parish, and as such, are subject to the spiritual jurisdiction of the Reverend Pastor of that Parish.