There are 429 K-12 Schools in Contra Costa County, California, serving a population of 1,123,678 people in an area of 723 square miles. There is 1 K-12 School per 2,619 people, and 1 K-12 School per 1 square miles.
In California, Contra Costa County is ranked 48th of 58 counties in K-12 Schools per capita, and 8th of 58 counties in K-12 Schools per square mile.