Geneva is located in Ontario county New york with a geographic area of 4.2 square miles. The total population in Geneva is 12,720 with 48.5% male and 51.5% female. Children under age 5 represent 6.0% of the population, under age 18 equal 16.8% of the population and over age 65 is 15.9% of the population. The median household income is $42,472, per capita income is $23,962. There are a total of 4,895 housing units with 45.7% owner occupied. Education includes 25.5% of residents that are high school graduates and 27.5% with a bachelor's degree or higher. The average temperature in Geneva in the summer is 68 degrees, and in the winter 27 degrees.