Mahopac (/ˈmɑːhoʊˌpæk/) is a hamlet (and census-designated place) in the town of Carmel in Putnam County, New York. Also known as Lake Mahopac, the suburb is located some 47 miles (76 km) north of New York City, on US Route 6 at the county’s southern central border with Westchester County. As of the 2010 census, the population was 8,369.
Mahopac is located at 41°22′11″N 73°44′15″W / 41.36972°N 73.73750°W / 41.36972; -73.73750 (41.369657, -73.737463).
According to the United States Census Bureau, the Mahopac CDP has a total area of 6.4 square miles (16.7 km), of which 5.3 square miles (13.7 km) is land and 1.1 square miles (2.9 km), or 17.57%, is water.
While the hamlet of Carmel is the seat of the county government, Mahopac, the largest population center in the town of Carmel, hosts the Town Hall. Both Mahopac (ZIP code 10541) and Mahopac Falls (10542) have their own post offices.
As of the census of 2010, there were 8,369 people, 2,943 households, and 2,258 families residing in the hamlet. The population density was 1,585.3 per square mile (617.6/km²). There were 3,260 housing units at an average density of 585.1/sq mi (225.8/km²). The racial makeup of the CDP was 91.1% White, 2.1% African American, 0.1% Native American, 2.0% Asian, 0% from other races, and 1.5% from two or more races. Hispanic or Latino of any race were 10.9% of the population.
There were 2,943 households out of which 23.0% had children under the age of 18 living with them, 65.6% were married couples living together, 8.6% had a female householder with no husband present, and 22.7% were non-families. 17.6% of all households were made up of individuals and 5.6% had someone living alone who was 65 years of age or older. The average household size was 2.74 and the average family size was 3.28.
In the hamlet the population was spread out with 25.3% under the age of 18, 7.7% from 18 to 24, 30.8% from 25 to 44, 26.4% from 45 to 64, and 9.7% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 99.7 males. For every 100 females age 18 and over, there were 96.7 males.
The median income for a household in the community was $95,189, and the median income for a family was $91,148. Males had a median income of $52,315 versus $36,419 for females. The per capita income for the CDP was $44,494. The percent of persons below poverty level was 5.0%.
The median value of owner-occupied housing units was $407,900.