Northford is a census-designated place comprising the primary village and surrounding residential and rural land in the town of North Branford, New Haven County, Connecticut, United States. It is in the northern part of the town, bordered to the west by the town of North Haven, to the east by the town of Guilford, and to the north by the town of Wallingford, all in New Haven County. It is bordered to the northeast by the town of Durham in Middlesex County.