Phippsburg is a town in Sagadahoc County, Maine, United States, on the west side of the mouth of the Kennebec River. The population was 2,216 at the 2010 census. It is within the Portland–South Portland–Biddeford, Maine, metropolitan statistical area. A tourist destination, Phippsburg is home to Bates-Morse Mountain Conservation Area, Fort Popham State Historic Site; it is also home to Fort Baldwin which overlooks Fort Popham, and Popham Beach State Park, as well as Pond Island National Wildlife Refuge. The town includes part of Winnegance.
According to the United States Census Bureau, the town has a total area of 71.20 square miles (184.41 km), of which, 28.58 square miles (74.02 km) of it is land and 42.62 square miles (110.39 km) is water. Connected to Bath by a bridge and causeway over Winnegance Creek and sharing a border with West Bath to the east of Winnegance, Phippsburg is on a peninsula dividing the Kennebec River from Casco Bay in the Gulf of Maine, part of the Atlantic Ocean.
Phippsburg is crossed by state routes 209 and 216. Separated by water, the peninsula is near the towns of Harpswell to the west, West Bath to the northwest, Bath to the north, Arrowsic to the northeast, and Georgetown to the east.
As of the census of 2010, there were 2,216 people, 963 households, and 665 families residing in the town. The population density was 77.5 inhabitants per square mile (29.9/km). There were 1,748 housing units at an average density of 61.2 per square mile (23.6/km). The racial makeup of the town was 97.5% White, 0.5% African American, 0.3% Native American, 0.3% Asian, 0.1% from other races, and 1.4% from two or more races. Hispanic or Latino of any race were 1.0% of the population.
There were 963 households of which 22.8% had children under the age of 18 living with them, 58.5% were married couples living together, 6.5% had a female householder with no husband present, 4.0% had a male householder with no wife present, and 30.9% were non-families. Of all households 24.0% were made up of individuals and 9.1% had someone living alone who was 65 years of age or older. The average household size was 2.30 and the average family size was 2.67.
The median age in the town was 49.8 years. 16.5% of residents were under the age of 18; 6.1% were between the ages of 18 and 24; 19.4% were from 25 to 44; 36.5% were from 45 to 64; and 21.5% were 65 years of age or older. The gender makeup of the town was 50.3% male and 49.7% female.
As of the census of 2000, there were 2,106 people, 859 households, and 622 families residing in the town. The population density was 73.0 people per square mile (28.2/km²). There were 1,554 housing units at an average density of 53.8 per square mile (20.8/km²). The racial makeup of the town was 98.53% White, 0.28% African American, 0.24% Native American, 0.24% Asian, and 0.71% from two or more races. Hispanic or Latino of any race were 0.57% of the population.
There were 859 households out of which 28.5% had children under the age of 18 living with them, 62.5% were married couples living together, 5.7% had a female householder with no husband present, and 27.5% were non-families. Of all households 21.8% were made up of individuals and 8.8% 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 2.82.
In the town, the population was spread out with 22.4% under the age of 18, 5.3% from 18 to 24, 26.5% from 25 to 44, 30.7% from 45 to 64, and 15.1% who were 65 years of age or older. The median age was 43 years. For every 100 females, there were 105.9 males. For every 100 females age 18 and over, there were 101.7 males.
The median income for a household in the town was $46,739, and the median income for a family was $53,631. Males had a median income of $33,214 versus $26,250 for females. The per capita income for the town was $22,205. About 5.8% of families and 9.2% of the population were below the poverty line, including 8.8% of those under age 18 and 14.4% of those age 65 or over.