Washington Mason County Public Libraries

By | January 2, 2023

We are providing a comprehensive directory of public libraries in Mason County, Washington. This list includes library formal name, street address, postal code, phone number and how many books are available. Check the following list to see all public libraries in Washington Mason County.

Street Address: N. 40 Schoolhouse Hill RD., Hoodsport, WA 98548
Phone Number: (360) 877-9339 Mason N/A N/A

Street Address: 23081 NE State RT. 3, Belfair, WA 98528
Phone Number: (360) 275-3232 Mason N/A N/A

Street Address: 710 W. Alder ST., Shelton, WA 98584
Phone Number: (360) 426-1362 Mason N/A N/A

Overview of Mason County, Washington

Mason County is a county located in the state of Washington. As of 2000, the population is 49,405. The county seat is at Shelton. It is named for the first Secretary of Washington Territory, C.H. Mason.


According to the U.S. Census Bureau, the county has a total area of 2,722 km² (1,051 mi²). 2,489 km² (961 mi²) of it is land and 233 km² (90 mi²) of it is water. The total area is 8.56% water.

Geographic features

  • Hood Canal
  • Lake Cushman
  • Olympic Mountains
  • Puget Sound

Major highways

  • United States Highway 101

Adjacent counties

  • Jefferson County, Washington- northwest
  • Kitsap County, Washington- northeast
  • Pierce County, Washington- east/southeast
  • Thurston County, Washington- southeast
  • Grays Harbor County, Washington- southwest


As of the census of 2000, there are 49,405 people, 18,912 households, and 13,389 families residing in the county. The population density is 20/km² (51/mi²). There are 25,515 housing units at an average density of 10/km² (26/mi²). The racial makeup of the county is 88.46% White, 1.19% Black or African American, 3.72% Native American, 1.05% Asian, 0.45% Pacific Islander, 2.10% from other races, and 3.03% from two or more races. 4.78% of the population are Hispanic or Latino of any race.

There are 18,912 households out of which 28.90% have children under the age of 18 living with them, 56.90% are married couples living together, 9.20% have a female householder with no husband present, and 29.20% are non-families. 23.30% of all households are made up of individuals and 9.90% have someone living alone who is 65 years of age or older. The average household size is 2.49 and the average family size is 2.89.

In the county, the population is spread out with 23.50% under the age of 18, 7.70% from 18 to 24, 26.50% from 25 to 44, 25.80% from 45 to 64, and 16.50% who are 65 years of age or older. The median age is 40 years. For every 100 females there are 107.00 males. For every 100 females age 18 and over, there are 107.30 males.

The median income for a household in the county is $39,586, and the median income for a family is $44,246. Males have a median income of $37,007 versus $25,817 for females. The per capita income for the county is $18,056. 12.20% of the population and 8.80% of families are below the poverty line. Out of the total population, 17.30% of those under the age of 18 and 4.90% of those 65 and older are living below the poverty line.

Cities and towns

According to countryaah, Mason County, Washington has the following cities and towns:

  • Allyn-Grapeview
  • Belfair
  • Shelton
  • Skokomish

Map of Mason County Washington