As of the census of 2010, there were 3,486 people, 1,412 households, and 962 families living in the town. The population density was. There were 1,547 housing units at an average density of. The racial makeup of the town was 97.1% White, 0.4% African American, 0.6% Native American, 0.1% Asian, 0.5% from other races, and 1.2% from two or more races. Hispanic or Latino of any race were 1.1% of the population. There were 1,412 households, of which 32.3% had children under the age of 18 living with them, 52.8% were married couplesliving together, 10.3% had a female householder with no husband present, 5.0% had a male householder with no wife present, and 31.9% were non-families. 24.4% of all households were made up of individuals, and 8.2% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 2.88. The median age in the town was 40.5 years. 22.9% of residents were under the age of 18; 7.9% were between the ages of 18 and 24; 26.1% were from 25 to 44; 31.1% were from 45 to 64; and 12.2% were 65 years of age or older. The gender makeup of the town was 51.1% male and 48.9% female.
2000 census
As of the census of 2000, there were 3,340 people, 1,278 households, and 953 families living in the town. The population density was 76.1 people per square mile. There were 1,409 housing units at an average density of 32.1 per square mile. The racial makeup of the town was 98.08% White, 0.12% Black or African American, 0.21% Native American, 0.06% Asian, 0.18% from other races, and 1.35% from two or more races. Hispanic or Latino of any race were 0.96% of the population. There were 1,278 households, out of which 36.0% had children under the age of 18 living with them, 59.2% were married couples living together, 9.2% had a female householder with no husband present, and 25.4% were non-families. 19.0% of all households were made up of individuals, and 6.8% had someone living alone who was 65 years of age or older. The average household size was 2.61 and the average family size was 2.95. In the town, the population was spread out, with 26.6% under the age of 18, 8.8% from 18 to 24, 30.4% from 25 to 44, 24.7% from 45 to 64, and 9.5% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 101.0 males. For every 100 females age 18 and over, there were 97.4 males. The median income for a household in the town was $32,419, and the median income for a family was $37,652. Males had a median income of $28,667 versus $21,051 for females. The per capita income for the town was $15,052. About 10.1% of families and 13.0% of the population were below the poverty line, including 16.3% of those under age 18 and 6.6% of those age 65 or over. Claim to Fame Clinton is the dairy capital of Maine; with 13% of milk production coming from 7 farms consisting of 3,778 acres.
