2025 Compare Cities People:
Diamond Bar, CA vs Gilbert, AZ

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Highlights
- Gilbert is 0% more densely populated than Diamond Bar.
- People are 0.7% more likely to be married in Gilbert.
- The Median Age is 8.4 years younger in Gilbert.
 Diamond Bar, CAGilbert, AZUnited States
 Population  Unlock262,249329,725,481
 Female Population51.7%  Unlock50.5%
 Male Population48.3%  Unlock49.5%
 Median Age  Unlock35.338.4
 space3
 Population - 201055,559  Unlock309,327,143
 Population - 2000  Unlock109,697285,036,114
 Population - 199053,672  Unlock251,960,433
 Pop. 2000 to Now  Unlock134.9%15.6%
 Pop. 1990 to Now2.3%  Unlock30.8%
 space4
 Population Density  Unlock3,851.593.4
 Land Area14.9  Unlock3,531,905.4
 Water Area  Unlock0.2264,836.8
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 Est. Total Population By Age
 Diamond Bar, CAGilbert, AZUnited States
 Age 0 to 45.3%  Unlock5.9%
 Age 5 to 9  Unlock8.3%6.1%
 Age 10 to 146.2%  Unlock6.6%
 Age 15 to 17  Unlock5.5%3.9%
 Age 18 to 202.8%  Unlock4.0%
 Age 21 to 24  Unlock4.6%5.2%
 Age 25 to 3412.1%  Unlock13.8%
 Age 35 to 44  Unlock16.0%12.9%
 Age 45 to 5414.6%  Unlock12.6%
 Age 55 to 59  Unlock5.6%6.7%
 Age 60 to 647.2%  Unlock6.3%
 Age 65 to 74  Unlock6.1%9.6%
 Age 75 to 844.0%  Unlock4.5%
 Age 85 and over  Unlock0.9%1.9%
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 Race
 Diamond Bar, CAGilbert, AZUnited States
 White14.1%  Unlock59.4%
 Black  Unlock3.7%12.2%
 Asian60.7%  Unlock5.6%
 Native American  Unlock0.5%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock0.2%0.4%
 Two or More Races2.7%  Unlock3.2%
 Hispanic  Unlock17.1%18.4%
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 Marriage & Family
 Diamond Bar, CAGilbert, AZUnited States
 Married Population57.8%  Unlock49.8%
     Currently Married  Unlock57.6%48.0%
 Married but Separated0.7%  Unlock1.8%
 Single Population  Unlock41.8%50.2%
 Never Married29.5%  Unlock33.8%
 Divorced  Unlock9.9%10.8%
 Widowed5.1%  Unlock5.6%
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 Household Size  Unlock2.962.60
 Households17,788  Unlock124,010,992
 Family Households  Unlock67,86780,755,759
     Married couple, w/children32.0%  Unlock30.5%
     Married couple, no children  Unlock37.0%42.9%
 Non Family Households3,342  Unlock43,255,233
     Single householder, w/children  Unlock13.2%15.8%
     Single householder, no children12.2%  Unlock10.8%
Reviews for Diamond Bar    3 Reviews

Over 14 years ago

Beautiful city and great place to raise a family. The worst part of Diamond Bar would be some of the best places to live in other cities. Diamond Bar has some of the  More

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Over 14 years ago

The city is centrally located to riverside, San Bernardino, Orange County and Downtown La. It is very scenic with beautiful hills, great schools and within easy reach,  More

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Over 15 years ago

This is a very quiet area about 30 mile east of downtown Los Angeles. I'm a bit concerned about what effect a possible new NFL stadium in the City of Industry CA will  More

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Reviews for Gilbert    42 Reviews

Gilbert should be compared to the Midwest in the sense that despite the size of the buildings being 5 stories tall in Mixed Use Areas, it retains the small town feeling,  More

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My Dad lives in Gilbert and i live nearby due to proximity of Mesa and visit Gilbert a lot. I can definitely say Gilbert is a hidden gem of a town that knows how to  More

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The reason I chose to write a review is because, while a few were indeed quite concise & accurate (looking at you, J.T.), some were astonishingly biased and/or isolated  More

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