Olive Branch is located in Illinois. Olive Branch, Illinois has a population of 506. Olive Branch is less family-centric than the surrounding county with 9.03% of the households containing married families with children. The county average for households married with children is 13.07%.
The median household income in Olive Branch, Illinois is $38,036. The median household income for the surrounding county is $31,014 compared to the national median of $57,652. The median age of people living in Olive Branch is 58.1 years.
The average high temperature in July is 88.7 degrees, with an average low temperature in January of 25.4 degrees. The average rainfall is approximately 49 inches per year, with 11.4 inches of snow per year.