Belfast is a city in Waldo County, Maine, in the United States. As of the 2010 census, the city population was 6,668. Located at the mouth of the Passagassawakeag River estuary on Belfast Bay and Penobscot Bay. Belfast is the county seat of Waldo County. The seaport has a wealth of antique architecture in several historic districts, and remains popular with tourists.
Belfast is located at 44°25′33″N 69°0′42″W / 44.42583°N 69.01167°W / 44.42583; -69.01167 (44.425896, -69.011646).
According to the United States Census Bureau, the city has a total area of 38.37 square miles (99.38 km), of which, 34.04 square miles (88.16 km) is land and 4.33 square miles (11.21 km) is water. Situated on Belfast Bay and Penobscot Bay, Belfast is drained by the Passagassawakeag River. Other smaller rivers include Goose River and Little River.
Belfast is bordered by Waldo and Swanville to the north, Searsport to the east, Northport to the south, Belmont to the southwest and Morrill to the west. It is served by US Route 1, Maine State Routes SR 3, SR 7, SR 52. SR 137 and SR 141.
As of the census of 2010, there were 6,668 people, 3,049 households, and 1,729 families residing in the city. The population density was 195.9 inhabitants per square mile (75.6/km). There were 3,582 housing units at an average density of 105.2 per square mile (40.6/km). The racial makeup of the city was 96.7% White, 0.5% African American, 0.4% Native American, 0.4% Asian, 0.2% from other races, and 1.8% from two or more races. Hispanic or Latino of any race were 1.2% of the population.
There were 3,049 households of which 24.1% had children under the age of 18 living with them, 41.4% were married couples living together, 11.5% had a female householder with no spouse present, 3.8% had a male householder with no spouse present, and 43.3% were non-families. 35.9% of all households were made up of individuals and 17.8% had someone living alone who was 65 years of age or older. The average household size was 2.14 and the average family size was 2.73.
The median age in the city was 46.9 years. 19.9% of residents were under the age of 18; 6.1% were between the ages of 18 and 24; 21.4% were from 25 to 44; 30.6% were from 45 to 64; and 21.9% were 65 years of age or older. The city’s population was 46.2% male and 53.8% female.
As of the census of 2000, there were 6,381 people, 2,765 households, and 1,692 families residing in the city. The population density was 187.5 people per square mile (72.4/km²). There were 3,121 housing units at an average density of 91.7 per square mile (35.4/km²). The racial makeup of the city was 97.56% White, 0.28% African American, 0.27% Native American, 0.28% Asian, 0.02% Pacific Islander, 0.27% from other races, and 1.33% from two or more races. Hispanic or Latino of any race were 0.69% of the population.
There were 2,765 households out of which 25.8% had children under the age of 18 living with them, 46.8% were married couples living together, 10.8% had a female householder with no spouse present, and 38.8% were non-families. 31.5% of all households were made up of individuals and 13.3% had someone living alone who was 65 years of age or older. The average household size was 2.23 and the average family size was 2.77.
In the city, the population was spread out with 20.9% under the age of 18, 7.5% from 18 to 24, 24.2% from 25 to 44, 27.3% from 45 to 64, and 20.0% who were 65 years of age or older. The median age was 43 years. For every 100 females, there were 87.4 males. For every 100 females age 18 and over, there were 83.0 males.
The median income for a household in the city was $32,400, and the median income for a family was $43,253. Males had a median income of $30,514 versus $27,518 for females. The per capita income for the city was $19,276. About 10.0% of families and 13.2% of the population were below the poverty line, including 19.5% of those under age 18 and 9.1% of those age 65 or over.