The Township of Spencer is located in southwestern corner of Marathon County.  It is bordered on the north by Eau Pleine Road, East by Lincoln Avenue, South by Lincoln Spencer Road and the west by east side Fairhaven Avenue.  It borders Clark County on the west and Wood County on the south.


The Town is in District 27 for the Marathon County Board of Supervisors.  The township’s location designation if T26N – R2E is almost six miles square with the exception of the Village of Spencer taking out a section on the northeast quadrant.

Townships are established with 36 sections (640 acres per section).  Sections are numbered starting from the northeast corner and progress to the west and then back to the east.  Sections 5, 6, 7, 8 surround the Village of Spencer.  On the western part of the township is the McMillan Marsh covering parts of Sections 10, 13, 14, 15 and 34.



See more information under McMillan Marsh.


Since 1970 the Town has grown rapidly, due to the subdivisions.                                                                                                                                                                                                                                                                                                                               
Population of Town of Spencer           2020  2015     2010     1990     1980

                                                                   1,638  1,615     1341     1010       870

The Township has one part time highway department employee.  The town board comprises of a Chairman, 2 Supervisors, a Clerk and a Treasurer.  The Board is selected by the voters and serves two year terms.  The Town is served by the Spencer Volunteer Fire Department.


The Town of Spencer has an assessed valuation in of $188,523,100 as of 2023

There are ten subdivisions within the township.

State Highway 13 traverses the town progressing northwest from Marshfield and then north through the Village of Spencer.  County Highways F and V run north and south through the Town and County Highway C runs east and west

Welcome to the Town of Spencer Website!