Fremont is a town in Waupaca County, Wisconsin, United States. The population was 632 at the 2000 census. The village of Fremont is located within the town. The unincorporated community of Red Banks is located in the town.
According to the United States Census Bureau, the town has a total area of 20.1 square miles (52.0 km²). 19.1 square miles (49.4 km²) of it is land and 1.0 square miles (2.6 km²) of it (4.94%) is water.
As of the census of 2000, there were 632 people, 238 households, and 182 families residing in the town. The population density was 33.1 inhabitants per square mile (12.8/km²). There were 278 housing units at an average density of 14.6 per square mile (5.6/km²). The racial makeup of the town was 99.84% White and 0.16% Native American. Hispanic or Latino of any race were 0.32% of the population.
There were 238 households out of which 27.7% had children under the age of 18 living with them, 69.3% were married couples living together, 2.9% had a female householder with no husband present, and 23.5% were non-families. 17.2% of all households were made up of individuals and 9.2% had someone living alone who was 65 years of age or older. The average household size was 2.66 and the average family size was 3.01.
In the town, the population was spread out with 24.2% under the age of 18, 7.6% from 18 to 24, 26.1% from 25 to 44, 26.1% from 45 to 64, and 16.0% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 103.2 males. For every 100 females age 18 and over, there were 106.5 males.
The median income for a household in the town was $43,472, and the median income for a family was $49,000. Males had a median income of $40,139 versus $25,000 for females. The per capita income for the town was $20,028. About 2.3% of families and 6.0% of the population were below the poverty line, including 5.2% of those under age 18 and 6.7% of those age 65 or over.