Star Valley is a town in Gila County, Arizona, United States, incorporated in 2005. Before incorporation, it was a census-designated place. As of the 2020 census the population of the town was 2,484. Star Valley is located in northern Gila County at 34°15′16″N 111°15′26″W / 34.25444°N 111.25722°W. It is bordered to the west by the town of Payson. Arizo…Star Valley is a town in Gila County, Arizona, United States, incorporated in 2005. Before incorporation, it was a census-designated place. As of the 2020 census the population of the town was 2,484. Star Valley is located in northern Gila County at 34°15′16″N 111°15′26″W / 34.25444°N 111.25722°W. It is bordered to the west by the town of Payson. Arizona State Route 260 passes through Star Valley, leading west 4 miles into Payson and east 85 miles to Show Low.