census-designated place by
census-designated place in
census-designated place of
eastbound on U.S. Route 12
- Grand Mound, Washington (Wikipedia)
Grand Mound is a community and census-designated place (CDP) in Thurston County, Washington, United States. It was named and founded by Jotham Weeks Goodell, father of Phoebe Judson, in 1851. The population was 3,301 at the 2020 census. This area uses the 98579 and 98531 zip codes, which also includes Rochester and Gate.