City of Sherwood Sherwood is a rapidly growing city in Washington County. Sherwood was ranked in the Top 10 Best Cities for Families in June 2009 by Family Circle Magazine, and as the 18th best place to live in 2007 by Money Magazine.
Washington County Washington County is one of three Oregon counties making up the Greater Portland Metropolitan area. The county covers 725 sq. mi. with a population of 540,410 and is known for its moderate weather.