Hammondsport is a village at the south end of Keuka Lake, one of the Finger Lakes of New York, United States. The population was 731 at the 2000 census.
According to the United States Census Bureau, the village has a total area of 0.4 square miles (1.0 km), of which 0.3 square miles (0.78 km) of it is land and 0.04 square miles (0.10 km) (5.41%) is water.
Hammondsport is at the south end of Keuka Lake, north of the junction of New York State Route 54 and New York State Route 54A. NY-54A passes through the village after linking with County Road 76.
Keuka Inlet and Glen Brook flow past the village.
At the 2000 census, there were 731 people, 332 households and 200 families residing in the village. The population density was 2,088.5 per square mile (806.4/km²). There were 388 housing units at an average density of 1,108.5 per square mile (428.0/km²). The racial makeup of the village was 96.58% White, 1.37% African American, 0.41% Native American, 0.41% Asian, 0.41% from other races, and 0.82% from two or more races. Hispanic or Latino of any race were 0.27% of the population.
There were 332 households of which 27.1% had children under the age of 18 living with them, 44.3% were married couples living together, 13.3% had a female householder with no husband present, and 39.5% were non-families. 34.6% of all households were made up of individuals and 14.8% had someone living alone who was 65 years of age or older. The average household size was 2.20 and the average family size was 2.83.
24.1% of the population were under the age of 18, 6.0% from 18 to 24, 24.4% from 25 to 44, 29.7% from 45 to 64, and 15.9% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 83.2 males. For every 100 females age 18 and over, there were 83.2 males.
The median household income was $38,182 and the family median income was $50,125. Males had a median income of $32,143 and females $28,906. The per capita income for the village was $18,308. About 4.6% of families and 5.8% of the population were below the poverty line, including 11.1% of those under age 18 and 3.5% of those aged 65 or over.