Mason County
| Use attributes for filter ! | |
| Area | 2722 |
|---|---|
| Population | 63,710 (2017) |
| County seat | Shelton |
| Points of interest | Mount Ellinor |
| Lake Cushman | |
| Rivers | Tahuya River |
| Union River | |
| Cloquallum Creek | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2620774 |
About Mason County
Mason County is a county located in the U. S. state of Washington. As of the 2010 census, the population was 60,699. The county seat and only incorporated city is Shelton. The county was formed out of Thurston County on March 13, 1854.
