Elma is located in Erie county New york with a geographic area of square miles. The total population in Elma is 11,756 with 48.2% male and 51.8% female. Children under age 5 represent 6.7% of the population, under age 18 equal 21.9% of the population and over age 65 is 20.5% of the population. The median household income is $73,063, per capita income is $50,021. There are a total of 4,798 housing units with 77.1% owner occupied. Education includes 26.5% of residents that are high school graduates and 40.3% with a bachelor's degree or higher. The average temperature in Elma in the summer is 70 degrees, and in the winter 27 degrees.