Jay is a town in Franklin County, Maine, United States. Jay was included in the Lewiston-Auburn, Maine metropolitan New England city and town area. The population was 4,620 at the 2020 United States Census. Jay includes the village of Chisholm.

Franklin County is a county located in the state of Maine, United States. As of the 2020 census, the population was 29,456, making it the second-least populous county in Maine. Its county seat is Farmington. The county was established on May 9, 1838, and named for Benjamin Franklin.