24/7 Biohazard and Crime Scene Cleanup in Altamont, OR

Altamont is a census-designated place and unincorporated community in Klamath County, Oregon, southeast of Klamath Falls, bordered to the north and west by the city of Klamath Falls, the county seat.

The 2020 census counted 20,233 residents in Altamont, up from 19,257 in 2010 and 19,603 in 2000, with 8,038 households and 8,538 housing units, 5.9 percent of them vacant.

Altamont's median age in 2020 was 38.8 years, with 23.8 percent of residents under the age of 18 and 20.1 percent aged 65 or older.

Altamont may have been named after a locally famous trotting horse named Altamont, by prominent local horseman Jay Beach, and an Altamont post office operated from 1895 to 1902.

All mailing addresses in Altamont are Klamath Falls addresses, although Altamont lies outside the Klamath Falls city limits, so its 97603 mailing code is a Klamath Falls code rather than one of its own.

The Altamont census-designated place covers 8.1 square miles, all land, at an elevation of about 4,144 feet above sea level.

Oregon Route 39 passes through the center of Altamont as South 6th Street and the Crater Lake Parkway, while Oregon Route 140, the Southside Expressway, runs along its southern edge, and Route 39 leads southeast 21 miles to the California border at Hatfield.

In 2020, 99.3 percent of Altamont's residents lived in urban areas and 0.7 percent lived in rural areas.

Most of the Altamont census-designated place is within the Klamath County School District, a northwestern portion is in the Klamath Falls City School District, and the community is in the territory of Klamath Community College.

Altamont's 2020 racial composition was 77.2 percent White, 15.3 percent Hispanic or Latino of any race, 10.6 percent two or more races, and 4.1 percent American Indian and Alaska Native.