Dumont is located in the county of Bergen. The total area of the city is 5.143 sq. km. The economic development of the city has occurred around industries involved in advertising, arts and crafts, automotive, construction, commercial printing, apparel, information technology, finance, insurance, oil and lubrication and real estate. Professionals of the town are engaged to businesses as tax consultants, psychiatrists, photographers, massage therapist, engineers and electricians.