The San Juan Islands National Monument was established on March 25, 2013 by the Obama administration.
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San Juan County
San Juan County is located in the Salish Sea in the northwest corner of Washington State. It is bordered on the northeast by Whatcom County, the east by Skagit County, the southeast by Island County, the south by Jefferson County and the southwest by Clallam County. As of the 2010 U.S. Census, San Juan County had a total land area of 173.92 square miles and a population of 15,769. Friday Harbor is the largest city with a population of 2,180. Also of interest:
- Watershed sub-basin: San Juan Islands.
- Larger lakes in San Juan County: Mountain Lake, Cascade Lake, Horseshoe Lake and Spencer Lake.
- Mount Constitution (2,407 feet) is located in Moran State Park on Orcas Island and is the highest point in San Juan County.
U.S. Census Bureau QuickFacts for San Juan County, WA
Office of Financial Management (OFM) county data for San Juan County, WA
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The Floristic Atlas of the San Juan Islands was created by the University of Washington Herbarium and provides a tool for mapping and comparing the distributions of vascular plant species within the San Juan Islands of Washington.
Learn more about demographics in San Juan County, Washington. The U.S. Census Bureau published the following quick facts.
A botanist believes Coast Salish tribes once favored small islands in the San Juan archipelago for growing camas, an important food staple. Her studies may also show the vulnerability of these relic gardens to climate change as sea levels rise.