Rosedale is a census-designated place (CDP) located in Pierce County, Washington. As of the 2020 census, Rosedale had a population of 4,357.
A post office called Rosedale was established in 1887, and remained in operation until 1918. The community was named for roses near the original town site.
In 2010, it had a population of 4,044 inhabitants. 1,478 are male. 2,566 are female.