Quick information summary of the Olive Branch CDP area.
Olive Branch CDP is located in the state of Illinois. It occupies the area of 11 square miles. 1 square miles are water areas and 10 square miles remain for land areas. Center of the Olive Branch CDP lies at +37.1836828, -089.3495061 coordinates. According to the 2010 Census, there are 864 living in the Olive Branch CDP. The racial makeup shows these 3 races as the most frequent : White (95.72%), Black or African American (2.66%) and Two or More races (1.04%). Median age is 43 for the males and 47 for the females.