Jackson is a town in Carroll County, New Hampshire, United States. The population was 1,028 at the 2020 census, up from 816 at the 2010 census. Jackson is a resort area in the White Mountains. Parts of the White Mountain National Forest are in the west, north and east.

Carroll County is a county in the U.S. state of New Hampshire. As of the 2020 census, the population was 50,107, making it the third-least populous county in New Hampshire. Its county seat is Ossipee. The county was created in 1840 and organized at Ossipee from towns removed from Strafford County. It was named in honor of Charles Carroll of Carrollton, who had died in 1832, the last surviving signer of the United States Declaration of Independence.