There are 338 Architects in Contra Costa County, California, serving a population of 1,123,678 people in an area of 723 square miles. There is 1 Architect per 3,324 people, and 1 Architect per 2 square miles.
In California, Contra Costa County is ranked 18th of 58 counties in Architects per capita, and 8th of 58 counties in Architects per square mile.