Clymer is a town in Chautauqua County, New York, United States. The population was 1,698 at the 2010 census. The town is named for George Clymer, a signer of the Declaration of Independence. Clymer is located in the southwest part of the county.
According to the United States Census Bureau, the town has a total area of 36.2 square miles (93.7 km), of which 36.1 square miles (93.4 km) is land and 0.08 square miles (0.2 km), or 0.26%, is water.
New York State Route 474 passes through the town and intersects New York State Route 76 in North Clymer.
As of the census of 2000, there were 1,501 people, 502 households, and 400 families residing in the town. The population density was 41.6 people per square mile (16.1/km²). There were 550 housing units at an average density of 15.3 per square mile (5.9/km²). The racial makeup of the town was 99.13% White, 0.07% African American, 0.13% Native American, 0.27% Asian, 0.20% from other races, and 0.20% from two or more races. Hispanic or Latino of any race were 0.47% of the population.
There are 502 households out of which 39.6% have children under the age of 18 living with them, 72.3% were married couples living together, 4.4% had a female householder with no husband present, and 20.3% were non-families. 17.5% of all households were made up of individuals and 9.2% had someone living alone who was 65 years of age or older. The average household size was 2.99 and the average family size was 3.40.
In the town, the population was spread out with 32.3% under the age of 18, 7.7% from 18 to 24, 27.6% from 25 to 44, 19.1% from 45 to 64, and 13.3% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 99.9 males. For every 100 females age 18 and over, there were 101.6 males.
The median income for a household in the town was $34,583, and the median income for a family was $38,654. Males had a median income of $30,000 versus $22,813 for females. The per capita income for the town was $13,710. 12.1% of the population and 9.0% of families were below the poverty line. Out of the total population, 17.3% of those under the age of 18 and 6.6% of those 65 and older were living below the poverty line.