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2025 Compare Cities People:
Downey, CA vs Diamond Bar, CA

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Highlights
- Diamond Bar is 0% more densely populated than Downey.
- People are 24.9% more likely to be married in Diamond Bar.
- The Median Age is 7.8 years older in Diamond Bar.
 Downey, CADiamond Bar, CAUnited States
 Population  Unlock55,339329,725,481
 Female Population51.6%  Unlock50.5%
 Male Population48.4%  Unlock49.5%
 Median Age  Unlock43.738.4
 space3
 Population - 2010111,766  Unlock309,327,143
 Population - 2000  Unlock56,287285,036,114
 Population - 199091,444  Unlock251,960,433
 Pop. 2000 to Now  Unlock-2.5%15.6%
 Pop. 1990 to Now19.4%  Unlock30.8%
 space4
 Population Density  Unlock3,721.593.4
 Land Area12.4  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Downey, CADiamond Bar, CAUnited States
 Age 0 to 45.6%  Unlock5.9%
 Age 5 to 9  Unlock5.4%6.1%
 Age 10 to 147.1%  Unlock6.6%
 Age 15 to 17  Unlock3.4%3.9%
 Age 18 to 203.8%  Unlock4.0%
 Age 21 to 24  Unlock4.1%5.2%
 Age 25 to 3415.8%  Unlock13.8%
 Age 35 to 44  Unlock12.4%12.9%
 Age 45 to 5413.6%  Unlock12.6%
 Age 55 to 59  Unlock8.2%6.7%
 Age 60 to 645.7%  Unlock6.3%
 Age 65 to 74  Unlock12.6%9.6%
 Age 75 to 843.2%  Unlock4.5%
 Age 85 and over  Unlock1.8%1.9%
 space1
 Race
 Downey, CADiamond Bar, CAUnited States
 White13.9%  Unlock59.4%
 Black  Unlock4.0%12.2%
 Asian6.5%  Unlock5.6%
 Native American  Unlock0.2%0.6%
 Hawaiian, Pacific Islander0.2%  Unlock0.2%
 Other  Unlock0.4%0.4%
 Two or More Races1.4%  Unlock3.2%
 Hispanic  Unlock17.8%18.4%
 space2
 Marriage & Family
 Downey, CADiamond Bar, CAUnited States
 Married Population46.3%  Unlock49.8%
     Currently Married  Unlock57.2%48.0%
 Married but Separated2.1%  Unlock1.8%
 Single Population  Unlock42.2%50.2%
 Never Married39.8%  Unlock33.8%
 Divorced  Unlock7.6%10.8%
 Widowed4.5%  Unlock5.6%
 space5
 Household Size  Unlock3.102.60
 Households34,497  Unlock124,010,992
 Family Households  Unlock14,44680,755,759
     Married couple, w/children31.7%  Unlock30.5%
     Married couple, no children  Unlock47.1%42.9%
 Non Family Households7,097  Unlock43,255,233
     Single householder, w/children  Unlock8.7%15.8%
     Single householder, no children16.0%  Unlock10.8%
Voting
Reviews for Downey    3 Reviews
Joel · South Gate, CA
Great
Over 10 years ago

You  More

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brian · Downey, CA
downey is average
Over 17 years ago

downey has a decent area in the northeast part but mostly average homes and getting busy driving around the  More

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Allen · Downey, CA
Downey,Ca
Over 19 years ago

Its a nice city. Just like the rest of Sounthern California it is overrun with illegal aliens. Housing and apartment renting is high,consdireing the age of the homes and  More

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Reviews for Diamond Bar    3 Reviews
EG · Brea, CA
Diamond Bar is beautiful
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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EG · Brea, CA
Diamond Bar is beautiful
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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RICHARD · Walnut, CA
NFL
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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Learn More About Downey, California
Overview
Cost of Living
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Crime
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Voting
Learn More About Diamond Bar, California
Overview
Cost of Living
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Voting
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