2025 Compare Cities People:
Mercer Island, WA vs Potomac, MD

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Highlights
- Potomac is 0% more densely populated than Mercer Island.
- People are 2.1% more likely to be married in Potomac.
- The Median Age is 1.1 years older in Potomac.
 Mercer Island, WAPotomac, MDUnited States
 Population  Unlock46,891329,725,481
 Female Population52.9%  Unlock50.5%
 Male Population47.1%  Unlock49.5%
 Median Age  Unlock46.638.4
 space3
 Population - 201022,770  Unlock309,327,143
 Population - 2000  Unlock44,822285,036,114
 Population - 199020,816  Unlock251,960,433
 Pop. 2000 to Now  Unlock4.0%15.6%
 Pop. 1990 to Now24.5%  Unlock30.8%
 space4
 Population Density  Unlock1,865.793.4
 Land Area6.4  Unlock3,531,905.4
 Water Area  Unlock1.5264,836.8
 space
 Est. Total Population By Age
 Mercer Island, WAPotomac, MDUnited States
 Age 0 to 43.8%  Unlock5.9%
 Age 5 to 9  Unlock5.9%6.1%
 Age 10 to 148.2%  Unlock6.6%
 Age 15 to 17  Unlock6.2%3.9%
 Age 18 to 202.5%  Unlock4.0%
 Age 21 to 24  Unlock3.1%5.2%
 Age 25 to 348.2%  Unlock13.8%
 Age 35 to 44  Unlock10.9%12.9%
 Age 45 to 5416.9%  Unlock12.6%
 Age 55 to 59  Unlock7.8%6.7%
 Age 60 to 646.5%  Unlock6.3%
 Age 65 to 74  Unlock11.8%9.6%
 Age 75 to 845.5%  Unlock4.5%
 Age 85 and over  Unlock2.7%1.9%
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 Race
 Mercer Island, WAPotomac, MDUnited States
 White66.8%  Unlock59.4%
 Black  Unlock5.8%12.2%
 Asian21.3%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.6%0.4%
 Two or More Races6.9%  Unlock3.2%
 Hispanic  Unlock10.7%18.4%
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 Marriage & Family
 Mercer Island, WAPotomac, MDUnited States
 Married Population64.7%  Unlock49.8%
     Currently Married  Unlock65.2%48.0%
 Married but Separated0.4%  Unlock1.8%
 Single Population  Unlock34.0%50.2%
 Never Married21.7%  Unlock33.8%
 Divorced  Unlock5.5%10.8%
 Widowed5.8%  Unlock5.6%
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 Household Size  Unlock2.822.60
 Households9,758  Unlock124,010,992
 Family Households  Unlock13,11580,755,759
     Married couple, w/children42.3%  Unlock30.5%
     Married couple, no children  Unlock46.5%42.9%
 Non Family Households2,855  Unlock43,255,233
     Single householder, w/children  Unlock6.1%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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Start Your Review of Mercer Island

Reviews for Potomac    2 Reviews

Over 17 years ago

Spring and Fall can be quite glorious when the leaves turn or the tulips pop out and the humidity is lower. Winter, while it has some splendid "snow days," goes on much  More

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Over 17 years ago

The Potomac area in Montgomery County, Maryland, has the best of everything. High schools rated in the top 5 in the State, easy access to the Nation's Capitol,  More

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Start Your Review of Potomac


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