The CDP is in the center of the town of Troy, in the valley of the South Branch Ashuelot River, where it is joined by Rockwood Brook and Nester Brook. It is part of the Connecticut River watershed. The CDP extends north up Marlboro Road as far as its crossing of the South Branch. The west side of the CDP extends up High Street as far as Richmond Road and farther south extends to Rockwood Brook. The CDP border runs south along Main Street to a power line near the Fitzwilliam town line, then comes back north along the South Branch of the Ashuelot all the way to Monadnock Street near the center of town. The eastern edge of the CDP reaches to Dort Street, then follows the South Branch again and the former railroad line back to Marlboro Road. New Hampshire Route 12 is the main road through the community, leading northwest to Keene and southeast to Winchendon, Massachusetts. According to the U.S. Census Bureau, the Troy CDP has a total area of, all of it recorded as land.
Demographics
As of the census of 2010, there were 1,221 people, 491 households, and 308 families residing in the CDP. There were 528 housing units, of which 37, or 7.0%, were vacant. The racial makeup of the town was 96.5% White, 0.9% African American, 1.3% Native American, 1.0% Asian, 0.0% Pacific Islander, 0.0% some other race, and 0.3% from two or more races. 1.1% of the population were Hispanic or Latino of any race. Of the 491 households in the CDP, 34.4% had children under the age of 18 living with them, 44.6% were headed by married couples living together, 13.6% had a female householder with no husband present, and 37.3% were non-families. 28.5% of all households were made up of individuals, and 8.9% were someone living alone who was 65 years of age or older. The average household size was 2.49, and the average family size was 3.06. 25.6% of people in the CDP were under the age of 18, 8.7% were from 18 to 24, 28.8% were from 25 to 44, 25.8% were from 45 to 64, and 11.0% were 65 years of age or older. The median agewas 34.7 years. For every 100 females, there were 97.6 males. For every 100 females age 18 and over, there were 92.2 males. For the period 2011-15, the estimated median annual income for a household was $55,677, and the median income for a family was $56,500. Male full-time workers had a median income of $46,679 versus $27,283 for females. The per capita income for the CDP was $29,768. 13.1% of the population and 10.1% of families were below the poverty line, along with 31.2% of people under the age of 18 and 10.8% of people 65 or older.
