located along Interstate 5 and Oregon Route 99 north of Winchester .   Myrtle Creek, OR x http://en.wikipedia.org/wiki/Myrtle_Creek,_Oregon http://www.myrtlecreekchamber.com/ Myrtle Creek is a city in Douglas County , Oregon , United States . The population was 3,419 at the 2000 census. It is the birthplace of U.S. Senator Jeff Merkley . Azalea,