47.84 /km2 (123.91 /sq mi) San Juan Island is the second-largest and most populous of the San Juan Islands in northwestern Washington, United States. It has a land area of 142.59 km² (55.053 sq mi) and a population of 6,822 as of the 2000 census.
https://en.wikipedia.org/wiki/San_Juan_Island
The San Juan Islands average 247 sunny days annually. They are in the Banana Belt, having the best weather in the Pacific Northwest and one of the most moderate climates in the world. Summer time temperatures are in the low 70's and winter time lows are in the high 30's and low 40's.
http://www.sambuck.com/sanjuanislands.html
San Juan County. Here you will find a collection of links to information about San Juan County in the areas of criminal justice, demographics, the economy, local government finance, and human services. General information: San Juan County home page, San Juan County.
http://www.ofm.wa.gov/localdata/sanj.asp
Includes: San Juan, Orcas, Lopez and Shaw Island's. Outer - Non-Ferry Serviced Island's. Blakely, Brown, Center, Crane, Decatur, Frost, Henry, Johns, Obstruction, Pearl, Stuart, and Waldron Island's.
http://www.sambuck.com/sanjuanislands.html
Display/hide their locations on the map. Parks in San Juan include: San Juan Island National Historical Park (1), Circle Park (2), Lime Kiln Point State Park (3), Stuart Island State Park (4), San Juan Park (5), Turn Island State Park (6), Posey Island State Park (7), Pickett's Monument (8).
http://www.city-data.com/city/San-Juan-Washington.html
Nearest cities: Friday Harbor, WA (1.5 miles ), Lopez, WA (3.0 miles ), Orcas, WA (3.2 miles ), Anacortes, WA (4.6 miles ), Lummi Island, WA (4.7 miles ), Whidbey Island Station, WA (4.9 miles ), Ault Field, WA (5.0 miles ), Lummi Reservation, WA (5.0 miles ).
http://www.city-data.com/city/San-Juan-Washington.html
Estimated per capita income in 2013: $37,905 (it was $30,824 in 2000) San Juan CCD income, earnings, and wages data. Estimated median house or condo value in 2013: $449,826 (it was $284,700 in 2000) San Juan, WA residents, houses, and apartments details.
http://www.city-data.com/city/San-Juan-Washington.html
San Juan: Lime Kiln Lighthouse, San Juan Island, WA. San Juan: Washington State Ferry entering Friday Harbor, San Juan Island, WA. San Juan: View from Young Hill, San Juan Island, WA. San Juan: View of Bellingham from Lummi Shore.
http://www.city-data.com/city/San-Juan-Washington.html
San Juan County is currently the fastest growing county in the state, per capita. As of 2010, the total population of San Juan County was 15,769 and most of the population live on the four larger islands served by the Washington State Ferry system, out of the 172 islands in total. The links shown below provide descriptions and aerial images of most all islands in the San Juan Archipelagos.
http://www.sambuck.com/sanjuanislands.html
1 San Juan County home page, San Juan County. 2  Washington State Data Book: San Juan County Profile, WA Office of Financial Management. 3  Quick Facts: San Juan County, US Census Bureau.  Washington State Population Survey, WA Office of Financial Management.
http://www.ofm.wa.gov/localdata/sanj.asp
population san juan island wa
The population of San Juan Island, Washington is 6,822.  The population of San Juan island ,Washington is 6,822.