Jackson is a resort town in Teton County, Wyoming, United States. The population was 10,760 at the 2020 census, up from 9,577 in 2010. It is Teton County's only incorporated municipality and county seat, and it is the largest incorporated town in Wyoming. Jackson is the principal town of the Jackson, WY-ID Micropolitan Statistical Area, which includes Tet…Jackson is a resort town in Teton County, Wyoming, United States. The population was 10,760 at the 2020 census, up from 9,577 in 2010. It is Teton County's only incorporated municipality and county seat, and it is the largest incorporated town in Wyoming. Jackson is the principal town of the Jackson, WY-ID Micropolitan Statistical Area, which includes Teton County in Wyoming and Teton County in Idaho. The town is often called Jackson Hole, which is the name of the valley in which it is located. Jackson is a popular tourist destination due to its proximity to the ski resorts Jackson Hole Mountain, Snow King Mountain, and Grand Targhee. Jackson also acts as a gateway community for Grand Teton National Park and Yellowstone National Park.