There are 339 Tax Services in Contra Costa County, California, serving a population of 1,123,678 people in an area of 723 square miles. There is 1 Tax Service per 3,314 people, and 1 Tax Service per 2 square miles.
In California, Contra Costa County is ranked 32nd of 58 counties in Tax Services per capita, and 7th of 58 counties in Tax Services per square mile.