Grays Harbor County is a county of Washington State, in the United States of America. As of 2000, the population was 67,194. The county seat is at Montesano.
History
The county is named after Grays Harbor, a large estuarine bay near its southwestern corner. This bay, in turn, is named after Captain Robert Gray who discovered and entered it on May 7, 1792. Grays Harbor County was formed out of Thurston County on April 14, 1854. Originally named Chehalis County, it took its present name in 1915.