Granby sits at above sea level in the valley of the Fraser River, east of its mouth at the Colorado River. It is located in eastern Grand County at , in an area subject to average annual rainfall of inches and annual snowfall of more than. U.S. Route 40 passes through the center of town as Agate Avenue, leading south and east over Berthoud Pass to the Denver area, west to Hot Sulphur Springs, the Grand County seat. Kremmling is to the west on US 40. U.S. Route 34 intersects US 40 on the west side of Granby and leads northeast into Rocky Mountain National Park, crossing the mountains as Trail Ridge Road and reaching Estes Park northeast of Granby. According to the United States Census Bureau, Granby has a total area of, all land.
Demographics
As of the census of 2000, there were 1,525 people, 579 households, and 390 families residing in the town. The population density was 856.2 people per square mile. There were 628 housing units at an average density of 352.6 per square mile. The racial makeup of the town was 96.26% White, 0.46% African American, 0.26% Native American, 0.98% Asian, 0.07% Pacific Islander, 1.44% from other races, and 0.52% from two or more races. Hispanic or Latino of any race were 3.61% of the population. There were 579 households, out of which 37.3% had children under the age of 18 living with them, 55.3% were married couples living together, 7.6% had a female householder with no husband present, and 32.5% were non-families. 21.9% of all households were made up of individuals, and 6.4% had someone living alone who was 65 years of age or older. The average household size was 2.59 and the average family size was 3.05. In the town, the population was spread out, with 28.1% under the age of 18, 9.1% from 18 to 24, 33.5% from 25 to 44, 22.7% from 45 to 64, and 6.6% who were 65 years of age or older. The median age was 34 years. For every 100 females, there were 98.6 males. For every 100 females age 18 and over, there were 104.3 males. The median income for a household in the town was $46,667, and the median income for a family was $55,250. Males had a median income of $35,455 versus $24,417 for females. The per capita income for the town was $21,224. About 4.0% of families and 5.8% of the population were below the poverty line, including 3.9% of those under the age of 18 and 9.0% of those ages 65 and older.
Local history
Many Granby and Grand County residents are descended from pioneer settlers who arrived before the country was fully surveyed. Early families established themselves under the Homestead Act of 1862, which allowed easy access to land to those who would inhabit and improve upon the territory. Since the turn of the century, families have contended for prime ranch land. The Hudlers and Cooks are descended from original homesteaders. Their waning ranch once covered approximately and was rich in cattle and hay.
Bulldozer rampage
On June 4, 2004, Marvin Heemeyer, a local auto muffler shop owner, outraged over the outcome of a zoning dispute, went on a rampage through town, driving a modified bulldozer. Several buildings were damaged, including a bank, a hardware store, a concrete company, a utility service center, the town hall, the police department, and a former mayor's home. The rampage lasted 2 hours and 7 minutes, ending when the bulldozer got stuck attempting to go through the alleyway of Gambles Hardware Store. Heemeyer then killed himself with a handgun. No other deaths occurred, but an estimated $7 million in damage was done.
Transportation
, the national passenger rail system, provides daily service to Granby, operating its California Zephyr daily in both directions between Chicago and Emeryville, California, across the bay from San Francisco. Granby-Grand County Airport, a small airport one mile east of town, serves as a stopover for transient general aviation flights, as well as hosts some local aviation activity. There are no scheduled passenger carrier flights into or out of the airport, which features a by asphalt runway. Services at the airport are limited to aviation fuel for both piston and jet/turboprop aircraft.
Climate
This climate type is dominated by the winter season, a long, bitterly cold period with short, clear days, relatively little precipitation mostly in the form of snow, and low humidity. According to the Köppen Climate Classification system, Granby has a subarctic climate, abbreviated "Dfc" on climate maps.
Notable residents
Penny Rafferty Hamilton, aviation educator, writer, and photographer
Marvin Heemeyer, perpetrator of the Granby Bulldozer Rampage
