West seneca is located in Erie county New york with a geographic area of 21.4 square miles. The total population in West seneca is 45,272 with 47.8% male and 52.2% female. Children under age 5 represent 4.6% of the population, under age 18 equal 18.0% of the population and over age 65 is 20.9% of the population. The median household income is $66,362, per capita income is $35,447. There are a total of 20,057 housing units with 76.5% owner occupied. Education includes 28.1% of residents that are high school graduates and 32.7% with a bachelor's degree or higher. The average temperature in West seneca in the summer is 70 degrees, and in the winter 27 degrees.