Sherwood is a city in Washington County, Oregon, United States. It is a residential community in the Tualatin Valley southwest of Portland. The population was 11,791 at the 2000 census. The 2006 estimate is 16,115 residents. Sherwood apartments for rent comparison page shows most up to date rent information on Sherwood apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.