North Branford is a town in New Haven County, Connecticut, United States. The town is part of the South Central Connecticut Planning Region. The population was 13,544 at the 2020 census. The town is primarily known for agriculture and for other points of interest including Lake Gaillard and Northford Ice Pavilion. Wallingford, Durham, and North Haven border it to the north- East Haven to the west, Guilford to the east, and Branford to the south.

New Haven County is a county in the south central part of the U.S. state of Connecticut. As of the 2020 census, the population was 864,835, making it the third-most populous county in Connecticut. Two of the state's top 5 largest cities, New Haven (3rd) and Waterbury (5th), are part of New Haven County.