2025 Compare Cities People:
Sister Bay, WI vs Friday Harbor, WA

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Highlights
- Friday Harbor is 0% more densely populated than Sister Bay.
- People are 25.2% less likely to be married in Friday Harbor.
- The Median Age is 17.6 years younger in Friday Harbor.
 Sister Bay, WIFriday Harbor, WAUnited States
 Population  Unlock2,587329,725,481
 Female Population57.3%  Unlock50.5%
 Male Population42.7%  Unlock49.5%
 Median Age  Unlock4138.4
 space3
 Population - 2010877  Unlock309,327,143
 Population - 2000  Unlock1,989285,036,114
 Population - 1990675  Unlock251,960,433
 Pop. 2000 to Now  Unlock27.9%15.6%
 Pop. 1990 to Now38.4%  Unlock30.8%
 space4
 Population Density  Unlock1,197.193.4
 Land Area2.6  Unlock3,531,905.4
 Water Area  Unlock0.1264,836.8
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 Est. Total Population By Age
 Sister Bay, WIFriday Harbor, WAUnited States
 Age 0 to 410.5%  Unlock5.9%
 Age 5 to 9  Unlock5.8%6.1%
 Age 10 to 142.6%  Unlock6.6%
 Age 15 to 17  Unlock3.8%3.9%
 Age 18 to 201.0%  Unlock4.0%
 Age 21 to 24  Unlock2.1%5.2%
 Age 25 to 349.4%  Unlock13.8%
 Age 35 to 44  Unlock13.3%12.9%
 Age 45 to 544.1%  Unlock12.6%
 Age 55 to 59  Unlock6.1%6.7%
 Age 60 to 644.9%  Unlock6.3%
 Age 65 to 74  Unlock10.6%9.6%
 Age 75 to 8410.3%  Unlock4.5%
 Age 85 and over  Unlock1.8%1.9%
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 Race
 Sister Bay, WIFriday Harbor, WAUnited States
 White95.6%  Unlock59.4%
 Black  Unlock1.0%12.2%
 Asian0.0%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races0.9%  Unlock3.2%
 Hispanic  Unlock14.8%18.4%
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 Marriage & Family
 Sister Bay, WIFriday Harbor, WAUnited States
 Married Population56.2%  Unlock49.8%
     Currently Married  Unlock41.5%48.0%
 Married but Separated1.6%  Unlock1.8%
 Single Population  Unlock57.9%50.2%
 Never Married13.8%  Unlock33.8%
 Divorced  Unlock18.6%10.8%
 Widowed15.1%  Unlock5.6%
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 Household Size  Unlock2.222.60
 Households544  Unlock124,010,992
 Family Households  Unlock59880,755,759
     Married couple, w/children6.4%  Unlock30.5%
     Married couple, no children  Unlock42.0%42.9%
 Non Family Households264  Unlock43,255,233
     Single householder, w/children  Unlock25.3%15.8%
     Single householder, no children2.5%  Unlock10.8%
Reviews for Sister Bay    0 Reviews

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Reviews for Friday Harbor    2 Reviews

Beautiful place to retire and live, but a very expensive area to buy property and maintain. Services are limited and labor is in big shortage. So be prepared to pay up  More

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I lived on the Island for a couple of the winter months in 2007. I house sat a beautiful home on acreage with a view of the water. The Island is very quiet during the  More

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