Calhoun County (part)
Albion city
Albion township
Athens township
Battle Creek city (part)
- All of Battle Creek city excluding the portion contained within the township limits of Pennfield.
Bedford township (part)
- That portion of Bedford township contained within the city limits of Battle Creek.
Burlington township
Clarence township
Clarendon township
Convis township
Eckford township (part)
- That portion of Eckford twp east of the township limits of Fredonia, north, west of the city limits of Marshall, south of the township limits of Marengo.
Fredonia township (part)
- All of Fredonia township excluding that portion contained within the city limits of Marshall.
Homer township
Lee township
Leroy township
Marengo township Springfield city
Tekonsha township