Waterboro is a town in York County, Maine, United States. The population was 7,693 at the 2010 census. It is part of the Portland–South Portland–Biddeford, Maine metropolitan statistical area.
According to the United States Census Bureau, the town has a total area of 57.16 square miles (148.04 km), of which 55.33 square miles (143.30 km) is land and 1.83 square miles (4.74 km) is water. Lake Arrowhead, named by land developers in the 1960s, is on the northern border of the town. Waterboro is drained by the Little Ossipee River. Little Ossipee Lake, the largest body of water, covers 564 acres (228 ha). Ossipee Mountain, elevation 1058 feet (322 m) above sea level, is the highest point in the town.
Waterboro is crossed by U.S. Route 202 and state routes 4 and 5. It borders the towns of Alfred to the southwest, and Lyman to the southeast, Hollis to the northeast, Limerick and Limington to the north, Newfield to the northwest, and Shapleigh to the west.
As of the census of 2010, there were 7,693 people, 2,775 households, and 2,095 families residing in the town. The population density was 139.0 inhabitants per square mile (53.7/km). There were 3,574 housing units at an average density of 64.6 per square mile (24.9/km). The racial makeup of the town was 97.3% White, 0.1% African American, 0.2% Native American, 0.6% Asian, 0.1% from other races, and 1.2% from two or more races. Hispanic or Latino of any race were 0.9% of the population.
There were 2,775 households of which 41.1% had children under the age of 18 living with them, 60.8% were married couples living together, 9.5% had a female householder with no husband present, 5.2% had a male householder with no wife present, and 24.5% were non-families. 16.9% of all households were made up of individuals and 5.2% had someone living alone who was 65 years of age or older. The average household size was 2.77 and the average family size was 3.12.
The median age in the town was 36.6 years. 27.7% of residents were under the age of 18; 6.8% were between the ages of 18 and 24; 29.5% were from 25 to 44; 27.9% were from 45 to 64; and 8.2% were 65 years of age or older. The gender makeup of the town was 50.8% male and 49.2% female.
As of the census of 2000, there were 6,214 people, 2,211 households, and 1,704 families residing in the town. The population density was 111.9 people per square mile (43.2/km²). There were 2,828 housing units at an average density of 50.9 per square mile (19.7/km²). The racial makeup of the town was 98.66% White, 0.11% African American, 0.32% Native American, 0.21% Asian, 0.14% from other races, and 0.55% from two or more races. Hispanic or Latino of any race were 0.68% of the population.
There were 2,211 households out of which 43.0% had children under the age of 18 living with them, 64.3% were married couples living together, 8.6% had a female householder with no husband present, and 22.9% were non-families. 15.9% of all households were made up of individuals and 5.7% had someone living alone who was 65 years of age or older. The average household size was 2.81 and the average family size was 3.15.
In the town, the population was spread out with 30.8% under the age of 18, 6.5% from 18 to 24, 35.9% from 25 to 44, 19.8% from 45 to 64, and 7.0% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 102.0 males. For every 100 females age 18 and over, there were 99.5 males.
The median income for a household in the town was $43,234, and the median income for a family was $46,667. Males had a median income of $33,583 versus $21,904 for females. The per capita income for the town was $17,813. About 3.4% of families and 6.1% of the population were below the poverty line, including 7.4% of those under age 18 and 7.8% of those age 65 or over.