Fleming is a town in Cayuga County, New York, United States. The population was 2,636 at the 2010 census. The name is that of General George Fleming, an early settler. Fleming is at the north end of Owasco Lake, south of Auburn.
Fleming is located south of the center of Cayuga County and is bordered to the north by the city of Auburn, the county seat. According to the United States Census Bureau, Fleming has a total area of 24.3 square miles (62.9 km), of which 21.8 square miles (56.5 km) is land and 2.5 square miles (6.4 km), or 10.21%, is water.
The east town line is defined by Owasco Lake, one of the Finger Lakes.
New York State Route 34 and New York State Route 38 are north-south highways in Fleming. NY-38 parallels the shore line of Owasco Lake, and NY-34 intersects with New York State Route 34B south of Fleming village. A short section of New York State Route 326 crosses the northwest corner of the town.
As of the census of 2000, there were 2,647 people, 1,041 households, and 756 families residing in the town. The population density was 121.3 people per square mile (46.8/km²). There were 1,153 housing units at an average density of 52.8 per square mile (20.4/km²). The racial makeup of the town was 98.68% White, 0.15% African American, 0.11% Native American, 0.57% Asian, 0.15% from other races, and 0.34% from two or more races. Hispanic or Latino of any race were 0.79% of the population.
There were 1,041 households out of which 30.8% had children under the age of 18 living with them, 61.7% were married couples living together, 7.2% had a female householder with no husband present, and 27.3% were non-families. 23.3% of all households were made up of individuals and 10.8% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 2.99.
In the town, the population was spread out with 23.1% under the age of 18, 6.4% from 18 to 24, 26.8% from 25 to 44, 27.7% from 45 to 64, and 16.0% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 101.6 males. For every 100 females age 18 and over, there were 101.6 males.
The median income for a household in the town was $49,363, and the median income for a family was $54,879. Males had a median income of $40,789 versus $28,182 for females. The per capita income for the town was $22,603. About 3.9% of families and 5.7% of the population were below the poverty line, including 4.2% of those under age 18 and 7.1% of those age 65 or over.