Oakridge is a city in Lane County, Oregon, United States. The population was 3,205 as of the 2010 census. It is located east of Westfir on Oregon Route 58, about 40 miles east of Eugene and 150 miles southeast of Portland. Surrounded by the Willamette National Forest and the Cascade Range, Oakridge is popular with outdoor enthusiasts for its hiking, mountain biking, wildflowers, fly fishing, birding, watersports, and nearby Willamette Pass Resort.The city was originally a community called "Hazeldell", and its post office was established on July 26, 1888. When a station on the Southern Pacific Railroad opened in May 1912, it was named "Oak Ridge" by a railroad executive for the surrounding topography, and on July 19 of that year the name was changed to "Oakridge".The economy of Oakridge and nearby Westfir has been centered on the railroad, the logging industry, and recreation.