Woolwich is a town in Sagadahoc County, Maine, United States. The population was 3,072 at the 2010 census. It is part of the Portland–South Portland–Biddeford, Maine metropolitan statistical area. Woolwich is a suburb of the city of Bath located on the opposite shore of Merrymeeting Bay.
According to the United States Census Bureau, the town has a total area of 41.59 square miles (107.72 km), of which, 35.09 square miles (90.88 km) of it is land and 6.50 square miles (16.83 km) is water. Woolwich is on a peninsula, with Merrymeeting Bay and the Kennebec River to the west, Sasanoa River to the southwest, and Back River to the southeast.
It is crossed by U. S. Route 1, and state routes 127 and 128. It borders the towns of Dresden to the north and Wiscasset to the east. Separated by water, it is near Bowdoinham to the west, Bath to the southwest, Arrowsic to the south, and Westport to the southeast.
As of the census of 2010, there were 3,072 people, 1,241 households, and 908 families residing in the town. The population density was 87.5 inhabitants per square mile (33.8/km). There were 1,415 housing units at an average density of 40.3 per square mile (15.6/km). The racial makeup of the town was 96.8% White, 0.3% African American, 0.4% Native American, 0.7% Asian, 0.3% from other races, and 1.7% from two or more races. Hispanic or Latino of any race were 1.1% of the population.
There were 1,241 households of which 30.1% had children under the age of 18 living with them, 62.6% were married couples living together, 6.6% had a female householder with no husband present, 3.9% had a male householder with no wife present, and 26.8% were non-families. 19.0% of all households were made up of individuals and 7.2% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 2.82.
The median age in the town was 44.6 years. 21% of residents were under the age of 18; 5.4% were between the ages of 18 and 24; 24.5% were from 25 to 44; 33.7% were from 45 to 64; and 15.5% were 65 years of age or older. The gender makeup of the town was 49.4% male and 50.6% female.
As of the census of 2000, there were 2,810 people, 1,101 households, and 824 families residing in the town. The population density was 80.2 people per square mile (31.0/km²). There were 1,210 housing units at an average density of 34.5 per square mile (13.3/km²). The racial makeup of the town was 97.62% White, 0.36% African American, 0.11% Native American, 0.46% Asian, 0.14% from other races, and 1.32% from two or more races. Hispanic or Latino of any race were 0.82% of the population.
There were 1,101 households out of which 32.1% had children under the age of 18 living with them, 63.9% were married couples living together, 6.4% had a female householder with no husband present, and 25.1% were non-families. 19.0% of all households were made up of individuals and 6.1% had someone living alone who was 65 years of age or older. The average household size was 2.55 and the average family size was 2.92.
In the town, the population was spread out with 23.8% under the age of 18, 6.0% from 18 to 24, 30.1% from 25 to 44, 28.9% from 45 to 64, and 11.2% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 104.1 males. For every 100 females age 18 and over, there were 102.3 males.
The median income for a household in the town was $41,741, and the median income for a family was $47,984. Males had a median income of $34,673 versus $22,625 for females. The per capita income for the town was $21,097. About 5.6% of families and 6.1% of the population were below the poverty line, including 6.5% of those under age 18 and 6.1% of those age 65 or over.