Elmwood is located in Peoria county Illinois with a geographic area of 1.4 square miles. The total population in Elmwood is 2,492 with 45.3% male and 54.7% female. Children under age 5 represent 10.2% of the population, under age 18 equal 30.1% of the population and over age 65 is 13.8% of the population. The median household income is $75,152, per capita income is $27,709. There are a total of 864 housing units with 73.7% owner occupied. Education includes 36.7% of residents that are high school graduates and 26.9% with a bachelor's degree or higher. The average temperature in Elmwood in the summer is 71 degrees, and in the winter 27 degrees.