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is a village located in the northwestern part of the Town of Spencer in Marathon County, Wisconsin. It is part of the Wausau, Wisconsin Metropolitan Statistical Area. The population was 1,932 at the 2000 census.
The village, which lies between two marshes (Spencer Marsh to the northwest and McMillan Marsh to the southeast) was founded in 1902 at a branch on the Wisconsin Central Railway. Today it sits at the crossroads of Wisconsin Highway 13 and 98, as well as serving as the terminus of several Marathon County trunk highways. Spencer lies about 8 miles northeast of Marshfield, along Highway 13.
According to the United States Census Bureau, the village has a total area of 2.0 square miles (5.2 km