Warsaw is a town in Wyoming County, in the U.S. state of New York. The population was 5,064 at the 2010 census. It is located approximately 37 miles east southeast of Buffalo and approximately 37 miles southwest of Rochester. The town may have been named after Warsaw, Poland.
According to the United States Census Bureau, the town has a total area of 35.5 square miles (92 km), of which 35.4 square miles (92 km) is land and 0.1 square mile (0.1 km²) (0.14%) is water.
Oatka Creek flows northward through the Wyoming Valley in the town. U.S. Route 20A crosses the town.
As of the census of 2000, there were 5,423 people, 2,113 households, and 1,354 families residing in the town. The population density was 153.1 people per square mile (59.1/km²). There were 2,232 housing units at an average density of 63.0 per square mile (24.3/km²). The racial makeup of the town was 97.29% White, 0.39% Black or African American, 0.31% Native American, 0.94% Asian, 0.09% from other races, and 0.98% from two or more races. Hispanic or Latino of any race were 0.68% of the population.
There were 2,113 households out of which 31.4% had children under the age of 18 living with them, 49.3% were married couples living together, 11.0% had a female householder with no husband present, and 35.9% were non-families. 30.3% 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 2.39 and the average family size was 2.98.
In the town, the population was spread out with 23.9% under the age of 18, 7.4% from 18 to 24, 27.3% from 25 to 44, 22.3% from 45 to 64, and 19.1% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 89.2 males. For every 100 females age 18 and over, there were 84.3 males.
The median income for a household in the town was $37,699, and the median income for a family was $42,647. Males had a median income of $31,672 versus $21,691 for females. The per capita income for the town was $17,279. About 8.5% of families and 10.6% of the population were below the poverty line, including 17.4% of those under age 18 and 6.6% of those age 65 or over.