Battle ground is located in Clark county Washington with a geographic area of 8.5 square miles. The total population in Battle ground is 20,931 with 48.7% male and 51.3% female. Children under age 5 represent 7.9% of the population, under age 18 equal 26.6% of the population and over age 65 is 11.3% of the population. The median household income is $82,096, per capita income is $31,899. There are a total of 7,141 housing units with 71.6% owner occupied. Education includes 27.4% of residents that are high school graduates and 25.1% with a bachelor's degree or higher. The average temperature in Battle ground in the summer is 63 degrees, and in the winter 42 degrees.