Long Creek is a city in Grant County, Oregon, United States.

Located in a high valley of the Blue Mountains, ranching has been the principal enterprise for the area.

Log harvesting was slowly curtailed in the nearby Malheur National Forest until the local mill was closed in 1998.

[5] According to the United States Census Bureau, the city has a total area of 1.02 square miles (2.64 km2), all land.

[6] This region experiences warm (but not hot) and dry summers, with no average monthly temperatures above 71.6 °F.

33.3% of all households were made up of individuals, and 16.6% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 96.05% White, 0.88% Native American, and 3.07% from two or more races.

30.2% of all households were made up of individuals, and 12.5% had someone living alone who was 65 years of age or older.