Seneca Falls is a town in Seneca County, New York, United States. The population was 9,040 at the 2010 census.
According to the United States Census Bureau, the town has a total area of 27.4 square miles (71.0 km²), of which, 24.2 square miles (62.7 km²) of it is land and 3.2 square miles (8.3 km²) of it (11.63%) is water.
The east town line is partly defined by Cayuga Lake. The Seneca River/Cayuga-Seneca Canal passes across the town. More recently, efforts are underway to complete a scenic trail along the historic canal. The eastern section of the town is part of Montezuma Marsh, an extensive wetland at the north end of Cayuga Lake.
Conjoined US Route 20 and NY-5 form an east–west highway across the town. New York State Route 89 is a north–south highway by the shore of Cayuga Lake. New York State Route 414 is also a north–south highway, but has an east–west orientation while conjoined with US-20 and NY-5. New York State Route 318 intersects US-20/NY-5 in the northeast corner of the town.
As of 2010 Seneca Falls had a population of 9,040. The ethnic and racial makeup of the population was 93.6% non-Hispanic white, 1.3% African-American, 0.4% Native American, 0.3% Indian, 1.3% other Asian, 0.2% non-Hispanic from some other race, 1.4% from two or more races, 1.0% Puerto Rican and 0.7% other Hispanics.
As of the census of 2000, there were 9,347 people, 3,796 households, and 2,440 families residing in the town. The population density was 385.6 people per square mile (148.9/km²). There were 4,167 housing units at an average density of 171.9 per square mile (66.4/km²). The racial makeup of the town was 95.86% White, 0.87% Black or African American, 0.22% Native American, 1.52% Asian, 0.30% from other races, and 1.23% from two or more races. Hispanic or Latino of any race were 1.33% of the population.
There were 3,796 households out of which 29.8% had children under the age of 18 living with them, 49.0% were married couples living together, 10.9% had a female householder with no husband present, and 35.7% were non-families. 28.4% of all households were made up of individuals and 12.1% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.91.
The town’s population was spread out with 23.6% under the age of 18, 8.5% from 18 to 24, 30.3% from 25 to 44, 21.9% from 45 to 64, and 15.8% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 98.0 males. For every 100 females age 18 and over, there were 94.7 males.
The median income for a household in the town was $37,245, and the median income for a family was $48,565. Males had a median income of $36,631 versus $25,094 for females. The per capita income for the town was $18,462. About 9.7% of families and 13.2% of the population were below the poverty line, including 14.4% of those under age 18 and 8.4% of those age 65 or over.