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2025 Compare Cities People:
Mercer Island, WA vs Concord, CA

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Highlights
- Concord is 0% more densely populated than Mercer Island.
- People are 18.8% less likely to be married in Concord.
- The Median Age is 7.0 years younger in Concord.
 Mercer Island, WAConcord, CAUnited States
 Population  Unlock125,769329,725,481
 Female Population52.9%  Unlock50.5%
 Male Population47.1%  Unlock49.5%
 Median Age  Unlock38.538.4
 space3
 Population - 201022,770  Unlock309,327,143
 Population - 2000  Unlock121,780285,036,114
 Population - 199020,816  Unlock251,960,433
 Pop. 2000 to Now  Unlock5.6%15.6%
 Pop. 1990 to Now24.5%  Unlock30.8%
 space4
 Population Density  Unlock4,116.093.4
 Land Area6.4  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Mercer Island, WAConcord, CAUnited States
 Age 0 to 43.8%  Unlock5.9%
 Age 5 to 9  Unlock6.1%6.1%
 Age 10 to 148.2%  Unlock6.6%
 Age 15 to 17  Unlock3.1%3.9%
 Age 18 to 202.5%  Unlock4.0%
 Age 21 to 24  Unlock4.0%5.2%
 Age 25 to 348.2%  Unlock13.8%
 Age 35 to 44  Unlock14.8%12.9%
 Age 45 to 5416.9%  Unlock12.6%
 Age 55 to 59  Unlock7.5%6.7%
 Age 60 to 646.5%  Unlock6.3%
 Age 65 to 74  Unlock9.4%9.6%
 Age 75 to 845.5%  Unlock4.5%
 Age 85 and over  Unlock1.8%1.9%
 space1
 Race
 Mercer Island, WAConcord, CAUnited States
 White66.8%  Unlock59.4%
 Black  Unlock3.4%12.2%
 Asian21.3%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.1%  Unlock0.2%
 Other  Unlock0.5%0.4%
 Two or More Races6.9%  Unlock3.2%
 Hispanic  Unlock30.2%18.4%
 space2
 Marriage & Family
 Mercer Island, WAConcord, CAUnited States
 Married Population64.7%  Unlock49.8%
     Currently Married  Unlock51.3%48.0%
 Married but Separated0.4%  Unlock1.8%
 Single Population  Unlock47.5%50.2%
 Never Married21.7%  Unlock33.8%
 Divorced  Unlock10.0%10.8%
 Widowed5.8%  Unlock5.6%
 space5
 Household Size  Unlock2.742.60
 Households9,758  Unlock124,010,992
 Family Households  Unlock30,44880,755,759
     Married couple, w/children42.3%  Unlock30.5%
     Married couple, no children  Unlock41.5%42.9%
 Non Family Households2,855  Unlock43,255,233
     Single householder, w/children  Unlock12.3%15.8%
     Single householder, no children5.0%  Unlock10.8%
Voting
Reviews for Mercer Island    4 Reviews
Megan · Mercer Island, WA
Nice place to live with great schools
Over 17 years ago

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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A resident · Mercer Island, WA
Mercer Island - Is there a "there" there?
Over 17 years ago

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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A resident · Mercer Island, WA
Mercer Island, WA - a suburb on an island
Over 17 years ago

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 Concord    22 Reviews
Helen · Concord, CA
A Decent Place to Live
Over 4 years ago

I've lived here for 13 years. Concord has easy access to Walnut Creek and Pleasant Hill and is about 25 minutes from Oakland, and 45 minutes from San Francisco.  More

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Teresa · Concord, CA
Great city, very conveniently located in SF area
Over 6 years ago

I moved to Concord 20 years ago and have loved living here. It has a charming central square downtown that hosts farmers markets two days a week. I love the Music &  More

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Mike · Concord, CA
Great suburban city for young families and seniors
Over 6 years ago

We Moved to Concord from the Los Angeles area in 1982 as a young couple starting a family. Concord has been a great place to raise kids. Low crime and great people.  More

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Learn More About Mercer Island, Washington
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Learn More About Concord, California
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