Alexandria is located in JEFFERSON COUNTY New york with a geographic area of square miles. The total population in Alexandria is 3,945 with 53.8% male and 46.2% female. Children under age 5 represent 7.7% of the population, under age 18 equal 24.0% of the population and over age 65 is 21.8% of the population. The median household income is $55,625, per capita income is $45,316. There are a total of 1,661 housing units with 79.4% owner occupied. Education includes 30.0% of residents that are high school graduates and 28.0% with a bachelor's degree or higher. The average temperature in Alexandria in the summer is 70 degrees, and in the winter 27 degrees.
