Bethlehem is a hillside town in Grafton County, New Hampshire, United States. The population was 2,526 at the 2010 census. It is home to Cushman and Strawberry Hill state forests. The eastern half of the town is within the White Mountain National Forest. The Appalachian Trail crosses in the south.
According to the United States Census Bureau, the town has a total area of 91.0 square miles (235.7 km), of which 90.6 square miles (234.7 km) is land and 0.3 square miles (0.8 km) is water, comprising 0.39% of the town. Bethlehem is drained by the Ammonoosuc, Gale, Zealand and Little rivers, together with Tuttle, Baker and Haystack brooks. Mount Cleveland, elevation 2,397 feet (731 m), and Mount Agassiz, 2,378 ft (725 m), rise to the south of the center of town. Town boundaries contain several of the famous 4,000-footers of New Hampshire: North Twin Mountain (the highest point in Bethlehem at 4,761 ft (1,451 m)), Mount Hale, Mount Tom, Mount Field and Mount Willey. Bethlehem lies almost fully within the Connecticut River watershed, though a tiny portion of the southeast corner of the town is in the Merrimack River watershed.
As of the census of 2010, there were 2,526 people, 1,103 households, and 698 families residing in the town. There were 1,517 housing units, of which 414, or 27.3%, were vacant. 305 of the vacant units were for seasonal or recreational use. The racial makeup of the town was 97.2% white, 0.1% African American, 0.5% Native American, 0.6% Asian, 0.04% Native Hawaiian or Pacific Islander, 0.2% some other race, and 1.3% from two or more races. 1.7% of the population were Hispanic or Latino of any race.
Of the 1,103 households, 27.3% had children under the age of 18 living with them, 49.0% were headed by married couples living together, 9.7% had a female householder with no husband present, and 36.7% were non-families. 30.4% of all households were made up of individuals, and 9.4% were someone living alone who was 65 years of age or older. The average household size was 2.27, and the average family size was 2.77.
In the town, 20.9% of the population were under the age of 18, 6.1% were from 18 to 24, 22.2% from 25 to 44, 37.5% from 45 to 64, and 13.4% were 65 years of age or older. The median age was 45.5 years. For every 100 females, there were 102.6 males. For every 100 females age 18 and over, there were 102.1 males.
For the period 2011-2015, the estimated median annual income for a household was $49,329, and the median income for a family was $56,458. Male full-time workers had a median income of $43,447 versus $41,563 for females. The per capita income for the town was $27,853. 19.7% of the population and 15.1% of families were below the poverty line. 29.7% of the population under the age of 18 and 12.0% of those 65 or older were living in poverty.