Belfast (CDP), New York

Belfast is a hamlet in the Town of Belfast, Allegany County, New York, United States. The population was 837 at the 2010 census, which lists the community as a census-designated place.

Geography
Belfast is located at 42.34278°N, -78.11139°W (42.3428443, −78.1113975) and its elevation is 1309 ft.

According to the United States Census Bureau, Belfast has a total area of 1.412 sqmi, of which 1.385 sqmi is land and 0.027 sqmi is water.

Demographics
As of the 2010 census, there were 837 people, 337 households, and 213 families. The population density was 593 PD/sqmi. There were 377 housing units at an average density of 267 /sqmi. The racial makeup as of 2010 was 95.9% White, 0.7% Black or African American, 0.2% American Indian and Alaska Native, 1.1% Asian, 0.2% from other races, and 0.1% from two or more races. Hispanic or Latino of any race were 0.7% of the population.

There were 337 households, out of which 34.4% had children under the age of 18 living with them, 45.1% were married couples living together, 12.2% had a female householder with no husband present, and 36.8% were non-families. 31.2% of all households were made up of individuals, and 14.9% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 3.12.

Ages were 30.5% under 20, 4.7% from 20 to 24, 24.9% from 25 to 44, 23.3% from 45 to 64, and 16.6% who were 65 or older. The median age was 37.9 years. The population was 46.7% male and 53.3% female.