Milford is a town in Hillsborough County, New Hampshire, United States, on the Souhegan River. The population was 15,115 at the 2010 census. It is the retail and manufacturing center of a multi-town area known informally as the Souhegan Valley.
According to the United States Census Bureau, the town has a total area of 25.3 square miles (66 km), of which 25.2 sq mi (65 km) is land and 0.1 sq mi (0.26 km) is water, comprising 0.24% of the town. Milford is drained by the Souhegan River. The town’s highest point is near its western border, on the summit of Boynton Hill, at 814 feet (248 m) above sea level.
As of the census of 2010, there were 15,115 people, 5,929 households, and 4,004 families residing in the town. There were 6,295 housing units, of which 366, or 5.8%, were vacant. The racial makeup of the town was 94.8% white, 1.3% African American, 0.2% Native American, 1.3% Asian, 0.01% Native Hawaiian or Pacific Islander, 0.6% some other race, and 1.7% from two or more races. 2.2% of the population were Hispanic or Latino of any race.
Of the 5,929 households, 35.7% had children under the age of 18 living with them, 52.0% were headed by married couples living together, 10.5% had a female householder with no husband present, and 32.5% were non-families. 25.3% 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 2.53, and the average family size was 3.04.
In the town, 25.0% of the population were under the age of 18, 7.8% were from 18 to 24, 27.0% from 25 to 44, 28.3% from 45 to 64, and 11.9% were 65 years of age or older. The median age was 39.0 years. For every 100 females, there were 95.8 males. For every 100 females age 18 and over, there were 93.3 males.
For the period 2011-2015, the estimated median annual income for a household was $64,576, and the median income for a family was $80,241. Male full-time workers had a median income of $55,313 versus $38,792 for females. The per capita income for the town was $32,918. 5.8% of the population and 3.7% of families were below the poverty line. 8.2% of the population under the age of 18 and 2.7% of those 65 or older were living in poverty.