2025 Compare Cities People:
Mercer Island, WA vs Brier, WA

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Highlights
- Brier is 0% more densely populated than Mercer Island.
- People are 0.4% less likely to be married in Brier.
- The Median Age is 0.1 years older in Brier.
 Mercer Island, WABrier, WAUnited States
 Population  Unlock6,524329,725,481
 Female Population52.9%  Unlock50.5%
 Male Population47.1%  Unlock49.5%
 Median Age  Unlock45.638.4
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 Population - 201022,770  Unlock309,327,143
 Population - 2000  Unlock6,383285,036,114
 Population - 199020,816  Unlock251,960,433
 Pop. 2000 to Now  Unlock9.0%15.6%
 Pop. 1990 to Now24.5%  Unlock30.8%
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 Population Density  Unlock2,961.493.4
 Land Area6.4  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
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 Est. Total Population By Age
 Mercer Island, WABrier, WAUnited States
 Age 0 to 43.8%  Unlock5.9%
 Age 5 to 9  Unlock6.7%6.1%
 Age 10 to 148.2%  Unlock6.6%
 Age 15 to 17  Unlock2.4%3.9%
 Age 18 to 202.5%  Unlock4.0%
 Age 21 to 24  Unlock3.8%5.2%
 Age 25 to 348.2%  Unlock13.8%
 Age 35 to 44  Unlock13.6%12.9%
 Age 45 to 5416.9%  Unlock12.6%
 Age 55 to 59  Unlock7.6%6.7%
 Age 60 to 646.5%  Unlock6.3%
 Age 65 to 74  Unlock15.2%9.6%
 Age 75 to 845.5%  Unlock4.5%
 Age 85 and over  Unlock0.7%1.9%
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 Race
 Mercer Island, WABrier, WAUnited States
 White66.8%  Unlock59.4%
 Black  Unlock5.7%12.2%
 Asian21.3%  Unlock5.6%
 Native American  Unlock0.1%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.0%0.4%
 Two or More Races6.9%  Unlock3.2%
 Hispanic  Unlock3.0%18.4%
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 Marriage & Family
 Mercer Island, WABrier, WAUnited States
 Married Population64.7%  Unlock49.8%
     Currently Married  Unlock64.1%48.0%
 Married but Separated0.4%  Unlock1.8%
 Single Population  Unlock35.6%50.2%
 Never Married21.7%  Unlock33.8%
 Divorced  Unlock9.4%10.8%
 Widowed5.8%  Unlock5.6%
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 Household Size  Unlock2.822.60
 Households9,758  Unlock124,010,992
 Family Households  Unlock1,90580,755,759
     Married couple, w/children42.3%  Unlock30.5%
     Married couple, no children  Unlock52.8%42.9%
 Non Family Households2,855  Unlock43,255,233
     Single householder, w/children  Unlock9.3%15.8%
     Single householder, no children5.0%  Unlock10.8%
Reviews for Mercer Island    4 Reviews

Mercer Island is a wonderful family community. It feels much more "small town" than a city even though it has a population of 20,000+. People say hello and watch out  More

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Mercer Island is a suburb of Seattle, located on an island in Lake Washington. The best thing about Mercer Island is its strategically central location relative to the  More

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Mercer Island is a suburb of Seattle, located on an island in Lake Washington. The best thing about Mercer Island is its strategically central location relative to the  More

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Reviews for Brier    1 Reviews

I moved to Beautiful brier at the ripe age of 3 years old. I lived in Brier until I was 20 years old and my dad still lives there. Lots of kids and great schools. My  More

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