Madison (formerly Norridgewock) is a town in Somerset County, Maine, United States. The population was 4,855 at the 2010 census.
According to the United States Census Bureau, the town has a total area of 54.82 square miles (141.98 km), of which 51.88 square miles (134.37 km) is land and 2.94 square miles (7.61 km) is water. Madison is drained by the Kennebec River.
As of the census of 2010, there were 4,855 people, 1,976 households, and 1,271 families residing in the town. The population density was 93.6 inhabitants per square mile (36.1/km). There were 2,478 housing units at an average density of 47.8 per square mile (18.5/km). The racial makeup of the town was 97.5% White, 0.4% African American, 0.6% Native American, 0.4% Asian, and 1.1% from two or more races. Hispanic or Latino of any race were 0.9% of the population.
There were 1,976 households of which 27.7% had children under the age of 18 living with them, 49.1% were married couples living together, 9.9% had a female householder with no husband present, 5.3% had a male householder with no wife present, and 35.7% were non-families. 28.9% of all households were made up of individuals and 13.5% had someone living alone who was 65 years of age or older. The average household size was 2.32 and the average family size was 2.82.
The median age in the town was 44 years. 20.8% of residents were under the age of 18; 6.4% were between the ages of 18 and 24; 24.2% were from 25 to 44; 30.6% were from 45 to 64; and 18.2% were 65 years of age or older. The gender makeup of the town was 50.6% male and 49.4% female.
As of the census of 2000, there were 4,523 people, 1,890 households, and 1,270 families residing in the town. The population density was 87.4 people per square mile (33.7/km²). There were 2,308 housing units at an average density of 44.6 per square mile (17.2/km²). The racial makeup of the town was 98.12% White, 0.07% Black or African American, 0.29% Native American, 0.15% Asian, 0.02% Pacific Islander, 0.07% from other races, and 1.28% from two or more races. Hispanic or Latino of any race were 0.22% of the population.
There were 1,890 households out of which 28.1% had children under the age of 18 living with them, 53.1% were married couples living together, 10.3% had a female householder with no husband present, and 32.8% were non-families. 27.6% of all households were made up of individuals and 13.7% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 2.79.
In the town, the population was spread out with 22.2% under the age of 18, 5.3% from 18 to 24, 27.7% from 25 to 44, 25.2% from 45 to 64, and 19.5% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 89.7 males. For every 100 females age 18 and over, there were 86.3 males.
The median income for a household in the town was $30,528, and the median income for a family was $36,750. Males had a median income of $30,179 versus $20,827 for females. The per capita income for the town was $16,698. About 9.3% of families and 13.7% of the population were below the poverty line, including 20.9% of those under age 18 and 11.1% of those age 65 or over.