Calera is located in Bryan county Oklahoma with a geographic area of 5.3 square miles. The total population in Calera is 3,082 with 46.1% male and 53.9% female. Children under age 5 represent 10.4% of the population, under age 18 equal 27.4% of the population and over age 65 is 13.6% of the population. The median household income is $44,489, per capita income is $21,228. There are a total of 1,193 housing units with 51.6% owner occupied. Education includes 29.9% of residents that are high school graduates and 25.7% with a bachelor's degree or higher. The average temperature in Calera in the summer is 80 degrees, and in the winter 42 degrees.
