The city of Colfax is located in the county of Placer. It covers a total area of 3.6 sq. km. Industries related to advertising, arts and crafts, automotive, beverages, construction, information technology, health, industrial and commercial machinery, insurance, hotel, marine equipments, oil and lubrication, real estate and logistics, enhance the economy in a positive way. Commercial places are utilized by road side services, resale shops, educational institutions and campgrounds.