High Quality Content by WIKIPEDIA articles! Oakridge is a city in Lane County, Oregon, United States. The population was estimated at 3,205 in 2010. It is located east of Westfir on Oregon Route 58, about 40 miles (64 km) east of Eugene, and 150 miles (240 km) southeast of Portland. Surrounded by the Willamette National Forest, Oakridge is popular with outdoor enthusiasts for its hiking, mountain biking, wildflowers, fly fishing, birding, watersports, and nearby Willamette Pass ski area.