There are 105 Event Planning Services in Contra Costa County, California, serving a population of 1,123,678 people in an area of 723 square miles. There is 1 Event Planning Service per 10,701 people, and 1 Event Planning Service per 6 square miles.
In California, Contra Costa County is ranked 27th of 58 counties in Event Planning Services per capita, and 8th of 58 counties in Event Planning Services per square mile.