Bowdoinham is a town in Sagadahoc County, Maine, United States. The population was 2,889 at the 2010 census. It is part of the Portland–South Portland–Biddeford, Maine metropolitan statistical area. The town is located on the west side of Merrymeeting Bay.
According to the United States Census Bureau, the town has a total area of 39.20 square miles (101.53 km), of which, 34.40 square miles (89.10 km) of it is land and 4.80 square miles (12.43 km) is water. Situated beside Merrymeeting Bay, Bowdoinham is drained by the Cathance River, Abagadasset River, Muddy River and Kennebec River.
The town is crossed by Interstate 295 and state routes 24, 125 and 138. It borders the towns of Richmond to the north, Bowdoin to the west, and Topsham to the south.
As of the census of 2010, there were 2,889 people, 1,179 households, and 844 families residing in the town. The population density was 84.0 inhabitants per square mile (32.4/km). There were 1,279 housing units at an average density of 37.2 per square mile (14.4/km). The racial makeup of the town was 95.3% White, 0.7% African American, 0.6% Native American, 1.0% Asian, 0.2% from other races, and 2.3% from two or more races. Hispanic or Latino of any race were 1.0% of the population.
There were 1,179 households of which 31.6% had children under the age of 18 living with them, 56.3% 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 28.4% were non-families. 20.3% of all households were made up of individuals and 7.3% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.80.
The median age in the town was 43.7 years. 21.6% of residents were under the age of 18; 5.9% were between the ages of 18 and 24; 24.6% were from 25 to 44; 35.2% were from 45 to 64; and 12.7% were 65 years of age or older. The gender makeup of the town was 50.1% male and 49.9% female.
As of the updated census of 2010, the median income for a household in the town was $63,472, and the median income for a family was $71,406. Males had a median income of $48,170 versus $30,658 for females. The per capita income for the town was $27,827. About 5.4% of families and 9.4% of the population were below the poverty line, including 10.9% of those under age 18 and 9.4% of those age 65 or over.
As of the census of 2000, there were 2,612 people, 1,027 households, and 752 families residing in the town. The population density was 75.9 people per square mile (29.3/km²). There were 1,107 housing units at an average density of 32.2 per square mile (12.4/km²). The racial makeup of the town was 97.70% White, 0.38% African American, 0.42% Native American, 0.50% Asian, 0.04% Pacific Islander, and 0.96% from two or more races. Hispanic or Latino of any race were 0.50% of the population.
There were 1,027 households out of which 35.1% had children under the age of 18 living with them, 58.0% were married couples living together, 9.4% had a female householder with no husband present, and 26.7% were non-families. 20.1% of all households were made up of individuals and 5.6% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 2.90.
In the town, the population was spread out with 25.8% under the age of 18, 5.9% from 18 to 24, 30.1% from 25 to 44, 28.1% from 45 to 64, and 10.1% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 99.5 males. For every 100 females age 18 and over, there were 98.9 males.