Norridgewock is a town in Somerset County, Maine, United States. The population was 3,367 at the 2010 census.
According to the United States Census Bureau, the town has a total area of 51.21 square miles (132.63 km), of which 49.95 square miles (129.37 km) is land and 1.26 square miles (3.26 km) is water. Norridgewock is drained by the Sandy River, Mill Stream and Kennebec River.
The village is located at the junction of U.S. Routes 2 and 201A with Maine State routes 8 and 139. Norridgewock borders the towns of Madison to the north, Skowhegan to the east, Fairfield and Smithfield to the south, and Mercer and Starks to the west.
As of the census of 2010, there were 3,367 people, 1,378 households, and 984 families residing in the town. The population density was 67.4 inhabitants per square mile (26.0/km). There were 1,520 housing units at an average density of 30.4 per square mile (11.7/km). The racial makeup of the town was 97.2% White, 0.5% African American, 0.3% Native American, 0.2% Asian, 0.2% from other races, and 1.6% from two or more races. Hispanic or Latino of any race were 0.5% of the population.
There were 1,378 households of which 30.3% had children under the age of 18 living with them, 55.5% were married couples living together, 10.1% had a female householder with no husband present, 5.8% had a male householder with no wife present, and 28.6% were non-families. 21.8% of all households were made up of individuals and 7.9% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 2.78.
The median age in the town was 42.7 years. 22.3% of residents were under the age of 18; 7.2% were between the ages of 18 and 24; 24.4% were from 25 to 44; 31% were from 45 to 64; and 15.1% were 65 years of age or older. The gender makeup of the town was 50.0% male and 50.0% female.
As of the census of 2000, there were 3,294 people, 1,285 households, and 953 families residing in the town. The population density was 66.1 people per square mile (25.5/km²). There were 1,389 housing units at an average density of 27.9 per square mile (10.8/km²). The racial makeup of the town was 98.36% White, 0.30% Black or African American, 0.46% Native American, 0.12% Asian, 0.18% from other races, and 0.58% from two or more races. Hispanic or Latino of any race were 0.36% of the population.
There were 1,285 households out of which 35.8% had children under the age of 18 living with them, 60.6% were married couples living together, 9.1% had a female householder with no husband present, and 25.8% were non-families. 18.8% 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 2.56 and the average family size was 2.90.
In the town, the population was spread out with 26.3% under the age of 18, 6.3% from 18 to 24, 30.1% from 25 to 44, 25.7% from 45 to 64, and 11.5% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 97.5 males. For every 100 females age 18 and over, there were 94.9 males.
The median income for a household in the town was $35,679, and the median income for a family was $41,536. Males had a median income of $31,800 versus $20,508 for females. The per capita income for the town was $17,325. About 15.1% of families and 16.3% of the population were below the poverty line, including 24.4% of those under age 18 and 12.2% of those age 65 or over.