| Official Name: | Altamont |
| Settlement Type: | Town |
| Mapsize: | 260px |
| Pushpin Map: | Utah#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Utah |
| Subdivision Type2: | County |
| Subdivision Name2: | Duchesne |
| Established Title: | Settled |
| Established Date: | 1930s |
| Established Title2: | Incorporated |
| Established Date2: | 1953 |
| Named For: | Altonah and Mount Emmons |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.55 |
| Area Land Km2: | 0.55 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.21 |
| Area Land Sq Mi: | 0.21 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2010 |
| Population Total: | 225 |
| Population Density Km2: | 504.58 |
| Population Density Sq Mi: | 1306.60 |
| Timezone: | MST |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Coordinates: | 40.3597°N -110.2869°W |
| Elevation M: | 1947 |
| Elevation Ft: | 6388 |
| Postal Code Type: | ZIP code |
| Postal Code: | 84001 |
| Area Code: | 435 |
| Blank Name: | FIPS code |
| Blank Info: | 49-00760[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1425096[3] |
| Pop Est As Of: | 2019 |
| Population Est: | 277 |
Altamont is a town in Duchesne County, Utah, United States. The population was 225 at the 2010 census,[4] an increase over the 2000 figure of 178.
The town was settled in the 1930s as a central location for a new area high school. The school was finished in 1935 and named Altamont, combining the names of the area villages of Altonah and Mt. Emmons. The community grew gradually and petitioned to incorporate as a town in 1953.[5] In 2012 the newest addition to the school was finished.
According to the United States Census Bureau, the town has a total area of 0.2 square mile (0.4 km), all land.
Altamont has a cold semi-arid climate (Köppen BSk) with cold winters and warm summers.
[6] [7] As of the census of 2010, there were 225 people in 83 households in the town. The racial makeup of the town was 96% White, 2% Native American, and 1.3% from Hispanic or Latino.
The population was 46 percent male and 54 percent female. The population was 31.6 percent under 18 and 12.9 percent 65 or over.
The town is home to Altamont High School. The school mascot is Louie the Longhorn. Altamont competes as a 1A school and has local rivalries with Duchesne and Tabiona.