Franklin is a city in Merrimack County, New Hampshire, United States. At the 2010 census, the population was 8,477, the least of any of New Hampshire's 13 cities. As of 2018, the population was an estimated 8,712. Franklin includes the village of West Franklin.
Franklin is located at . According to the United States Census Bureau, the city has a total area of, of which is land and is water, comprising 6.31% of the town. It is drained by the Winnipesaukee, Pemigewasset and Merrimack rivers. Webster Lake is in the north. The highest point in Franklin is an unnamed summit near the northwestern corner of the city limits, where the elevation reaches approximately above sea level. Franklin lies fully within the Merrimack River watershed. U.S. Route 3 and New Hampshire Route 11 form Central Street, the main street of Franklin. Heading east, the two routes lead to Tilton and Laconia, New Hampshire. US 3 leads south to Boscawen and Concord, while NH 11 goes west to Andover and New London. New Hampshire Route 127 also passes through downtown Franklin, leading southwest to Salisbury and Contoocook, and north into Sanbornton. New Hampshire Route 3A leads north from West Franklin to Bristol.
As of the census of 2010, there were 8,477 people, 3,407 households, and 2,179 families residing in the city. There were 3,938 housing units, of which 531, or 13.5%, were vacant. 193 of the vacant units were for seasonal or recreational use. The racial makeup of the town was 96.2% white, 0.5% African American, 0.5% Native American, 0.8% Asian, 0.02% Native Hawaiian or Pacific Islander, 0.3% some other race, and 1.7% from two or more races. 1.6% of the population were Hispanic or Latino of any race. Of the 3,407 households, 30.8% had children under the age of 18 living with them, 44.8% were headed by married couples living together, 13.5% had a female householder with no husband present, and 36.0% were non-families. 28.4% of all households were made up of individuals, and 11.8% were someone living alone who was 65 years of age or older. The average household size was 2.43, and the average family size was 2.93. In the city, 22.3% of the population were under the age of 18, 8.0% were from 18 to 24, 25.6% from 25 to 44, 29.0% from 45 to 64, and 15.1% were 65 years of age or older. The median age was 40.2 years. For every 100 females, there were 91.7 males. For every 100 females age 18 and over, there were 88.9 males. For the period 2011–2015, the estimated median annual income for a household was $43,237, and the median income for a family was $52,390. Male full-time workers had a median income of $43,179 versus $34,708 for females. The per capita income for the city was $22,318. 21.1% of the population and 16.6% of families were below the poverty line. 40.2% of the population under the age of 18 and 12.5% of those 65 or older were living in poverty.
