Ocean City is a census-designated place in Grays Harbor County, Washington, United States. The population was 232 at the 2020 census, up from 200 at the 2010 census. Ocean City is located in western Grays Harbor County at 47°4′12″N 124°9′57″W / 47.07000°N 124.16583°W. It is bordered to the north by Copalis Beach, to the south by Hogans Corn…Ocean City is a census-designated place in Grays Harbor County, Washington, United States. The population was 232 at the 2020 census, up from 200 at the 2010 census. Ocean City is located in western Grays Harbor County at 47°4′12″N 124°9′57″W / 47.07000°N 124.16583°W. It is bordered to the north by Copalis Beach, to the south by Hogans Corner, to the east by State Route 109 and Cranberry Creek, and to the west by the Pacific Ocean. SR 109 leads north 13 miles to Moclips and southeast 17 miles to Hoquiam.