The Town of Granby is a Statutory Town that is the most populous town in Grand County, Colorado, United States. Granby is situated along U.S. Highway 40 in Middle Park about 85 miles (137 km) west of Denver, Colorado, southwest of Rocky Mountain National Park. According to the population finder off the Census Bureau's website, in 2009, the town had a total population of 1,663. According to the United States Census Bureau, the town has a total area of 1.8 square miles (4.7 Square Kilometer), all land. The town was founded in 1904 along the route of the Denver, Northwestern & Pacific Railway, and incorporated one year later. It was named after Granby Hillyer, a Denver lawyer who later served as the United States Attorney for that city's district.