{"id":8645,"date":"2023-10-03T22:15:26","date_gmt":"2023-10-03T22:15:26","guid":{"rendered":"https:\/\/townsvillages.com\/us\/?p=8645"},"modified":"2026-08-16T19:08:28","modified_gmt":"2026-08-16T19:08:28","slug":"mason-county-washington","status":"publish","type":"post","link":"https:\/\/townsvillages.com\/us\/mason-county-washington\/","title":{"rendered":"Mason County, Washington"},"content":{"rendered":"

Mason County is a county in Washington, United States, on the southern reaches of Hood Canal and Puget Sound. It had a population of 65,726 at the 2020 census and covers 1,051 square miles (2,720 km2) in all \u2014 959 square miles (2,480 km2) of land and 92 square miles (240 km2) of water \u2014 centred near 47\u00b021\u2032N 123\u00b011\u2032W.<\/p>\n

Shelton is the county seat and its only incorporated city; its postal code is 98584. The county has one city, six unincorporated census-designated places, and dozens of smaller communities and localities, all in the Pacific time zone. FIPS code: 53045.<\/p>\n

Towns & Villages in Mason County<\/h2>\n

Mason County has just one incorporated city \u2014 Shelton \u2014 and everywhere else is unincorporated. Six places are recognized census-designated places (CDP); the rest are smaller communities, rail-era localities, and waterfront settlements without their own census tally. Populations below marked — have no separate figure from the Census Bureau.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Place<\/th>\nType<\/th>\nPop.<\/th>\nZIP<\/th>\n<\/tr>\n<\/thead>\n
Shelton<\/td>\nCity · seat<\/td>\n—<\/td>\n98584<\/td>\n<\/tr>\n
Belfair<\/td>\nCDP<\/td>\n—<\/td>\n98528<\/td>\n<\/tr>\n
Allyn<\/td>\nCDP<\/td>\n—<\/td>\n98524<\/td>\n<\/tr>\n
Grapeview<\/td>\nCDP<\/td>\n—<\/td>\n98546<\/td>\n<\/tr>\n
Hoodsport<\/td>\nCDP<\/td>\n—<\/td>\n98548<\/td>\n<\/tr>\n
Union<\/td>\nCDP<\/td>\n—<\/td>\n98592<\/td>\n<\/tr>\n
Skokomish<\/td>\nCDP<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Tahuya<\/td>\nUnincorp.<\/td>\n—<\/td>\n98588<\/td>\n<\/tr>\n
Lilliwaup<\/td>\nUnincorp.<\/td>\n—<\/td>\n98555<\/td>\n<\/tr>\n
Matlock<\/td>\nUnincorp.<\/td>\n—<\/td>\n98560<\/td>\n<\/tr>\n
Dewatto<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Potlatch<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Agate<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Arcadia<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Hamma Hamma<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Harstine<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Kamilche<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Grant<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Dayton<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Eldon<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Victor<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Oakland<\/td>\nUnincorp.<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Harstene Island (historically spelled Hartstene) is Mason County’s largest island, connected to the mainland at Rocky Bay by a bridge. Skokomish sits on the Skokomish Indian Reservation at the head of Hood Canal, home of the Skokomish Tribe; the Squaxin Island Tribe holds a separate reservation on Squaxin Island near Kamilche. A handful of names from older maps of the county \u2014 Ayock, Ballow, Bayshore, Brockdale, Carmill Station, Fair Harbor, Forbes, Forest Beach, Frisken Wye, Graham Point, Little Hoquiam, Marmac, Mohrweis, New Kamilche, Rose Point, Stimson, Sunbeach, Sunset Beach, Triton, and Walkers Landing \u2014 were logging-camp sidings, rail stops, and waterfront plats rather than lasting settlements, and are not carried into this table for lack of any current population or postal record; they are noted here rather than silently dropped.<\/p>\n

ZIP Codes<\/h2>\n