As of the census of 2010, there were 1,621 people, 712 households, and 393 families living in the city. The population density was. There were 797 housing units at an average density of. The racial makeup of the city was 98.9% White, 0.6% Native American, 0.1% from other races, and 0.5% from two or more races. Hispanic or Latino of any race were 0.9% of the population. There were 712 households of which 27.7% had children under the age of 18 living with them, 39.7% were married couplesliving together, 10.5% had a female householder with no husband present, 4.9% had a male householder with no wife present, and 44.8% were non-families. 39.6% of all households were made up of individuals and 21.2% had someone living alone who was 65 years of age or older. The average household size was 2.19 and the average family size was 2.91. The median age in the city was 41.5 years. 24.4% of residents were under the age of 18; 6.2% were between the ages of 18 and 24; 22.3% were from 25 to 44; 23.9% were from 45 to 64; and 23.2% were 65 years of age or older. The gender makeup of the city was 46.9% male and 53.1% female.
2000 census
As of the census of 2000, there were 1,536 people, 706 households, and 391 families living in the city. The population density was 1,158.9 people per square mile. There were 759 housing units at an average density of 572.7 per square mile. The racial makeup of the city was 99.41% White, 0.07% Black or African American, 0.07% Native American, 0.13% Asian, 0.07% from other races, and 0.26% from two or more races. 0.59% of the population were Hispanic or Latino of any race. There were 706 households out of which 25.6% had children under the age of 18 living with them, 42.5% were married couples living together, 9.1% had a female householder with no husband present, and 44.5% were non-families. 39.9% of all households were made up of individuals and 24.6% had someone living alone who was 65 years of age or older. The average household size was 2.10 and the average family size was 2.82. In the city, the population was spread out with 23.0% under the age of 18, 7.4% from 18 to 24, 23.5% from 25 to 44, 18.3% from 45 to 64, and 27.8% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 81.8 males. For every 100 females age 18 and over, there were 79.1 males. The median income for a household in the city was $29,102, and the median income for a family was $39,000. Males had a median income of $30,602 versus $20,163 for females. The per capita income for the city was $15,828. About 6.7% of families and 11.0% of the population were below the poverty line, including 11.0% of those under age 18 and 19.2% of those age 65 or over.
Education
Students living within Thorp, Wisconsin attend schools within the School District of Thorp. There are two main schools in Thorp. They are the Thorp Catholic School and the Thorp Public School. The Catholic school has grades ranging from 1–8 grade and then they will go to the Thorp High School. The Thorp Public School contains PreK–6 elementary school, 7–8 junior high, and 9–12 high school.
