Lebanon ( /lɛbənən/) is a city in Linn County, Oregon, United States. Lebanon is located in northwest Oregon, southeast of Salem. The population was 12,950 at the 2000 census and the 2008 census data shows the population at 15,397.
According to the United States Census Bureau, the city has a total area of 5.4 square miles (14.0 km²), of which, 5.2 square miles (13.6 km²) of it is land and 0.2 square miles (0.4 km²) of it (2.96%) is water.
As of the census of 2000, there were 12,950 people, 5,078 households, and 3,442 families residing in the city. The population density was 2,467.7 people per square mile (952.4/km²). There were 5,457 housing units at an average density of 1,039.9 per square mile (401.3/km²). The racial makeup of the city was 93.98% White, 0.17% African American, 1.03% Native American, 0.96% Asian, 0.08% Pacific Islander, 1.41% from other races, and 2.37% from two or more races. Hispanic or Latino of any race were 3.69% of the population.