Owego is a town in Tioga County, New York, United States. The population was 19,883 at the 2010 census. The name is derived from the Iroquois word Ahwaga, meaning where the valley widens.
According to the United States Census Bureau, the town has a total area of 105.8 square miles (273.9 km²), of which, 104.2 square miles (269.8 km²) of it is land and 1.6 square miles (4.1 km²) of it (1.51%) is water.
The Susquehanna River flows across the town, dividing it into two parts. Owego Creek flows into the Susquehanna at Owego village and marks the west town line.
The Southern Tier Expressway (New York State Route 17) crosses the town on the river’s south bank. New York State Route 17C follows the river along the north bank. New York State Route 38 and New York State Route 96 converge north of Owego village.
As of the census of 2000, there were 20,365 people, 7,733 households, and 5,761 families residing in the town. The population density was 195.5 people per square mile (75.5/km²). There were 8,226 housing units at an average density of 79.0 per square mile (30.5/km²). The racial makeup of the town was 96.78% White, 0.70% Black or African American, 0.22% Native American, 1.01% Asian, 0.02% Pacific Islander, 0.26% from other races, and 1.02% from two or more races. Hispanic or Latino of any race were 1.11% of the population.
There were 7,733 households out of which 34.6% had children under the age of 18 living with them, 63.0% were married couples living together, 8.5% had a female householder with no husband present, and 25.5% were non-families. 21.4% of all households were made up of individuals and 8.5% had someone living alone who was 65 years of age or older. The average household size was 2.61 and the average family size was 3.03.
In the town, the population was spread out with 26.5% under the age of 18, 6.5% from 18 to 24, 28.4% from 25 to 44, 25.5% from 45 to 64, and 13.1% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 99.3 males. For every 100 females age 18 and over, there were 95.4 males.
The median income for a household in the town was $46,987, and the median income for a family was $53,735. Males had a median income of $40,677 versus $25,425 for females. The per capita income for the town was $21,996. About 5.0% of families and 6.6% of the population were below the poverty line, including 7.5% of those under age 18 and 3.9% of those age 65 or over.