Elgin is located in Santa cruz county Arizona with a geographic area of 5.9 square miles. The total population in Elgin is 168 with 58.3% male and 41.7% female. Children under age 5 represent 0.0% of the population, under age 18 equal 8.3% of the population and over age 65 is 57.7% of the population. The median household income is $50,893, per capita income is $32,070. There are a total of 85 housing units with 94.1% owner occupied. Education includes 45.9% of residents that are high school graduates and 17.6% with a bachelor's degree or higher. The average temperature in Elgin in the summer is 83 degrees, and in the winter 49 degrees.