Pine River is a town in Lincoln County, Wisconsin, United States. The population was 1,877 at the 2000 census. The unincorporated community of Pine River is located in the town.According to the United States Census Bureau, the town has a total area of 64.3 square miles, of which, 64.0 square miles of it is land and 0.3 square miles of it is water.As of the census of 2000, there were 1,877 people, 673 households, and 565 families residing in the town. The population density was 29.3 people per square mile. There were 724 housing units at an average density of 11.3 per square mile. The racial makeup of the town was 98.51% White, 0.05% African American, 0.59% Asian, 0.05% from other races, and 0.80% from two or more races. Hispanic or Latino of any race were 0.43% of the population.There were 673 households out of which 38.3% had children under the age of 18 living with them, 74.7% were married couples living together, 5.3% had a female householder with no husband present, and 15.