what county is sherwood or in
Sherwood, OR. Online Offers. Sherwood is a city in Washington County, Oregon, United States. Located in the southeast corner of the county, 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. Indirectly named for the Sherwood Forest in England, it was first incorporated in 1893 as a town.