Mason County | |
|---|---|
 Mason County Courthouse | |
 Seal | |
 Location within the U.S. state of Washington | |
 Washington's location within the U.S. | |
| Coordinates: 47°21′N 123°11′W / 47.35°N 123.18°W | |
| Country |  United States |
| State |  Washington |
| Founded | March 13, 1854 |
| Named for | Charles H. Mason |
| Seat | Shelton |
| Largest city | Shelton |
| Area | |
• Total | 1,051 sq mi (2,720 km2) |
| • Land | 959 sq mi (2,480 km2) |
| • Water | 92 sq mi (240 km2) 8.7% |
| Population (2020) | |
• Total | 65,726 |
• Estimate (2023) | 68,389  |
| • Density | 63/sq mi (24/km2) |
| Time zone | UTC−8 (Pacific) |
| • Summer (DST) | UTC−7 (PDT) |
| Congressional district | 6th |
| Website | masoncountywa.gov |
Mason County is a county located in the U.S. state of Washington. As of the 2020 census, the population was 65,726.[1] The county seat and only incorporated city is Shelton.[2] The county was formed out of Thurston County on March 13, 1854.[3] Originally named Sawamish County, it took its present name in 1864 in honor of Charles H. Mason, the first Secretary of Washington Territory.[3][4]
Mason County comprises the Shelton micropolitan statistical area and is included in the Seattle-Tacoma combined statistical area.
- ^ "State & County QuickFacts". United States Census Bureau. Retrieved November 9, 2024.
- ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
- ^ a b Wilma, David (April 30, 2006). "Mason County — Thumbnail History". HistoryLink. Retrieved May 27, 2019.
- ^ Washington Agricultural Statistics Service, US Department of Agriculture, as archived at the Internet Archive