As of the census of 2010, there were 790 people, 334 households, and 228 families residing in the town. The
population density was 19.8 people per square mile (7.6/km). There were 474 housing units at an average density of 11.9 per square mile (4.6/km). The racial makeup of the town was 97.2%
White, 0.1%
African American, 0.9%
Asian, 0.4%
Native American and
Alaskan Native, and 1.4% from two or more races.
Hispanic or
Latino of any race were 0.8% of the population. There were 334 households in Piermont, out of which 24.6% had children under the age of 18 living with them, 57.8% were
married couples living together, 7.5% had a female householder with no husband present, and 31.7% were non-families. 24.6% of all households were made up of individuals, and 9.6% had someone living alone who was 65 years of age or older. The average household size was 2.37, and the average family size was 2.83. In the town, the population was spread out, with 19.0% under the age of 18, 5.1% between the ages of 18 and 24, 22.8% between 25 and 44, 36.3% between 45 and 64, and 16.8% who were 65 years of age or older. The median age was 46.8 years. The town was 49.4% male and 50.6% female. For the period 2010–2014, the estimated median income for a household in the town was $72,841, and the median income for a family was $91,875. Male full-time workers had a median income of $49,688 versus $41,250 for females. The
per capita income for the town was $38,089. About 3.4% of families and 6.8% of the total population were below the
poverty line, including 6.3% of those under age 18 and 6.0% of those age 65 or over. ==Education==