Bartlett is a town in Carroll County, New Hampshire, United States. The population was 3,200 at the 2020 census, up from 2,788 at the 2010 census. Bartlett includes the unincorporated community of Glen as well as portions of the communities of Kearsarge and Intervale, which the town shares with the neighboring town of Conway. It is set in the White Mo…Bartlett is a town in Carroll County, New Hampshire, United States. The population was 3,200 at the 2020 census, up from 2,788 at the 2010 census. Bartlett includes the unincorporated community of Glen as well as portions of the communities of Kearsarge and Intervale, which the town shares with the neighboring town of Conway. It is set in the White Mountains and is surrounded by the White Mountain National Forest. It is home to the Attitash Mountain Resort and the Story Land theme park.