Alexander is located in Genesee county New york with a geographic area of 0.4 square miles. The total population in Alexander is 616 with 46.4% male and 53.6% female. Children under age 5 represent 3.4% of the population, under age 18 equal 27.4% of the population and over age 65 is 12.5% of the population. The median household income is $70,225, per capita income is $29,311. There are a total of 259 housing units with 59.5% owner occupied. Education includes 50.2% of residents that are high school graduates and 19.7% with a bachelor's degree or higher. The average temperature in Alexander in the summer is 70 degrees, and in the winter 27 degrees.