Mason County Map
The County of Mason is located in the State of Washington. Find directions to Mason County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the Mason County population is estimated at 68,224 people. The Mason County time zone is Pacific Daylight Time which is 8 hours behind Coordinated Universal Time (UTC).
Nearby counties include Grays Harbor County, Jefferson County, Kitsap County, Pierce County, Thurston County.
Top cities include Shelton, Belfair, Hoodsport, Union, Grapeview