[9] In southern part of the township north of Mount Pleasant, a settlement on the north side of Long Lake (now Lake Fenton), Morgan Baldwin and George Judson settled the location around Baldwin Road soon called Podunk.

[11] On March 9, 1855, the Elgin Post Office was opened with postmaster William Moore[12] and was located at Mason Tavern along the Fenton plank road on the Southeast corner of section 13.

[11] In January and February 2014, Swartz Creek City and Gaines Township was contact by Mundy Township Supervisor David L. Guigear in attempt to meet over regionalization of building department, code enforcement, janitorial and especial police.

[15] On January 9, 2016, the Swartz Creek City Council voted to disband its police department by merging the department with Mundy Township's into the Metro Police Authority of Genesee County effective February 1, 2016.

A portion of the township survey area, between Jennings and Torrey Road, was annexed by the City of Flint for Bishop International Airport.

In January and February 2014, neighboring Swartz Creek City and Gaines Township was contact by Mundy Township Supervisor David L. Guigear in attempt to meet over regionalization of building department, code enforcement, janitorial and especial police.

There after Chief Clolinger announced his intent to retire in mid-August 2014 opening up discussion on merging police departments.

[23] Mundy's and Swartz Creek's officers were sworn into the other department on January 14, 2015 following a period of working in each other's jurisdiction.

Original Mundy board authority members appointed were Trustee Kay Doerr, Township Clerk Tonya Ketzler and Treasurer Joe Oskey.

Original Mundy board authority members appointed were Mayor David Krueger and Councilman Dennis Pinkston and Curt Porath.

[25] On December 9, 2015, the Regional Police Authority Board met for the first time with officers selected were City Councilman Curt Porath as chair and Township Trustee Kay Doerr as vice chair.

[26] On January 9, 2016, the Swartz Creek City Council voted 6 to 1 to disband its police department by merging the department with Mundy Township's into the Metro Police Authority of Genesee County effective February 1, 2016 following Mundy's approval.

Mundy Township moved to be removed from this arrangement at the advice of its attorney, who did not bid to provide the service.

Current board members are Kay Doerr, Tonya Ketzler, Joe Oskey, David Krueger, Dennis Pinkston and Curt Porath[25]