Cambrian is a neighborhood of San Jose, California. It sits at the elevation of 236 ft (72 m). Its population was 3,752 in 2023. Cambrian Park is a desirable neighborhood, also known as Cambrian. It is a family-oriented community with quiet tree-lined streets and suburban charm. Cambrian borders Blossom Valley, Almaden Valley and Willow Glen in San Jose as well as the City of Campbell and Town of Los Gatos.