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( 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.
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.